Finding the Third Proportional to 129,018.50 and 195,471.50

Step by Step Solution

1. Step 1: Write the proportion equation
   129,018.50 : 195,471.50 = 195,471.50 : x
2. Step 2: Convert to fraction form
   129,018.50/195,471.50 = 195,471.50/x
3. Step 3: Cross multiply
   129,018.50x = 195,471.50 × 195,471.50
4. Step 4: Simplify right side
   129,018.50x = 38,209,107,312.25
5. Step 5: Solve for x
   x = 38,209,107,312.25/129,018.50
6. Step 6: Final answer
   x = 296,152.16