Finding the Third Proportional to 89,079,840 and 186,304,472

Step by Step Solution

1. Step 1: Write the proportion equation
   89,079,840 : 186,304,472 = 186,304,472 : x
2. Step 2: Convert to fraction form
   89,079,840/186,304,472 = 186,304,472/x
3. Step 3: Cross multiply
   89,079,840x = 186,304,472 × 186,304,472
4. Step 4: Simplify right side
   89,079,840x = 34,709,356,287,198,784
5. Step 5: Solve for x
   x = 34,709,356,287,198,784/89,079,840
6. Step 6: Final answer
   x = 389,643,226.65