Finding the Third Proportional to 89,079,724 and 186,304,315

Step by Step Solution

1. Step 1: Write the proportion equation
   89,079,724 : 186,304,315 = 186,304,315 : x
2. Step 2: Convert to fraction form
   89,079,724/186,304,315 = 186,304,315/x
3. Step 3: Cross multiply
   89,079,724x = 186,304,315 × 186,304,315
4. Step 4: Simplify right side
   89,079,724x = 34,709,297,787,619,224
5. Step 5: Solve for x
   x = 34,709,297,787,619,224/89,079,724
6. Step 6: Final answer
   x = 389,643,077.34