Finding the Third Proportional to 62,320.50 and 135,210

Step by Step Solution

1. Step 1: Write the proportion equation
   62,320.50 : 135,210 = 135,210 : x
2. Step 2: Convert to fraction form
   62,320.50/135,210 = 135,210/x
3. Step 3: Cross multiply
   62,320.50x = 135,210 × 135,210
4. Step 4: Simplify right side
   62,320.50x = 18,281,744,100
5. Step 5: Solve for x
   x = 18,281,744,100/62,320.50
6. Step 6: Final answer
   x = 293,350.41