Finding the Third Proportional to 62,157 and 136,411.50

Step by Step Solution

1. Step 1: Write the proportion equation
   62,157 : 136,411.50 = 136,411.50 : x
2. Step 2: Convert to fraction form
   62,157/136,411.50 = 136,411.50/x
3. Step 3: Cross multiply
   62,157x = 136,411.50 × 136,411.50
4. Step 4: Simplify right side
   62,157x = 18,608,097,332.25
5. Step 5: Solve for x
   x = 18,608,097,332.25/62,157
6. Step 6: Final answer
   x = 299,372.51