Finding the Third Proportional to 12,873,564,449 and 27,798,499,906

Step by Step Solution

1. Step 1: Write the proportion equation
   12,873,564,449 : 27,798,499,906 = 27,798,499,906 : x
2. Step 2: Convert to fraction form
   12,873,564,449/27,798,499,906 = 27,798,499,906/x
3. Step 3: Cross multiply
   12,873,564,449x = 27,798,499,906 × 27,798,499,906
4. Step 4: Simplify right side
   12,873,564,449x = 772,756,597,023,881,953,280
5. Step 5: Solve for x
   x = 772,756,597,023,881,953,280/12,873,564,449
6. Step 6: Final answer
   x = 60,026,622,780.76