Finding the Third Proportional to 60,687.75 and 123,784.50

Step by Step Solution

1. Step 1: Write the proportion equation
   60,687.75 : 123,784.50 = 123,784.50 : x
2. Step 2: Convert to fraction form
   60,687.75/123,784.50 = 123,784.50/x
3. Step 3: Cross multiply
   60,687.75x = 123,784.50 × 123,784.50
4. Step 4: Simplify right side
   60,687.75x = 15,322,602,440.25
5. Step 5: Solve for x
   x = 15,322,602,440.25/60,687.75
6. Step 6: Final answer
   x = 252,482.63