Finding the Third Proportional to 191,404,552 and 419,862,392

Step by Step Solution

1. Step 1: Write the proportion equation
   191,404,552 : 419,862,392 = 419,862,392 : x
2. Step 2: Convert to fraction form
   191,404,552/419,862,392 = 419,862,392/x
3. Step 3: Cross multiply
   191,404,552x = 419,862,392 × 419,862,392
4. Step 4: Simplify right side
   191,404,552x = 176,284,428,215,961,664
5. Step 5: Solve for x
   x = 176,284,428,215,961,664/191,404,552
6. Step 6: Final answer
   x = 921,004,366.79