Finding the Third Proportional to 19,762,428 and 42,823,275

Step by Step Solution

1. Step 1: Write the proportion equation
   19,762,428 : 42,823,275 = 42,823,275 : x
2. Step 2: Convert to fraction form
   19,762,428/42,823,275 = 42,823,275/x
3. Step 3: Cross multiply
   19,762,428x = 42,823,275 × 42,823,275
4. Step 4: Simplify right side
   19,762,428x = 1,833,832,881,725,625
5. Step 5: Solve for x
   x = 1,833,832,881,725,625/19,762,428
6. Step 6: Final answer
   x = 92,793,905.78