Finding the Third Proportional to 86,566.50 and 187,895.25

Step by Step Solution

1. Step 1: Write the proportion equation
   86,566.50 : 187,895.25 = 187,895.25 : x
2. Step 2: Convert to fraction form
   86,566.50/187,895.25 = 187,895.25/x
3. Step 3: Cross multiply
   86,566.50x = 187,895.25 × 187,895.25
4. Step 4: Simplify right side
   86,566.50x = 35,304,624,972.56
5. Step 5: Solve for x
   x = 35,304,624,972.56/86,566.50
6. Step 6: Final answer
   x = 407,832.42