Finding the Third Proportional to 91,490,484 and 200,896,872

Step by Step Solution

1. Step 1: Write the proportion equation
   91,490,484 : 200,896,872 = 200,896,872 : x
2. Step 2: Convert to fraction form
   91,490,484/200,896,872 = 200,896,872/x
3. Step 3: Cross multiply
   91,490,484x = 200,896,872 × 200,896,872
4. Step 4: Simplify right side
   91,490,484x = 40,359,553,179,384,384
5. Step 5: Solve for x
   x = 40,359,553,179,384,384/91,490,484
6. Step 6: Final answer
   x = 441,133,890.81