Finding the Third Proportional to 1,791,456,736,699 and 3,948,069,418,856

Step by Step Solution

1. Step 1: Write the proportion equation
   1,791,456,736,699 : 3,948,069,418,856 = 3,948,069,418,856 : x
2. Step 2: Convert to fraction form
   1,791,456,736,699/3,948,069,418,856 = 3,948,069,418,856/x
3. Step 3: Cross multiply
   1,791,456,736,699x = 3,948,069,418,856 × 3,948,069,418,856
4. Step 4: Simplify right side
   1,791,456,736,699x = 15,587,252,136,105,953,760,116,736
5. Step 5: Solve for x
   x = 15,587,252,136,105,953,760,116,736/1,791,456,736,699
6. Step 6: Final answer
   x = 8,700,881,141,471.25