Finding the Third Proportional to 62,731.50 and 134,088

Step by Step Solution

1. Step 1: Write the proportion equation
   62,731.50 : 134,088 = 134,088 : x
2. Step 2: Convert to fraction form
   62,731.50/134,088 = 134,088/x
3. Step 3: Cross multiply
   62,731.50x = 134,088 × 134,088
4. Step 4: Simplify right side
   62,731.50x = 17,979,591,744
5. Step 5: Solve for x
   x = 17,979,591,744/62,731.50
6. Step 6: Final answer
   x = 286,611.86