Finding the Third Proportional to 137,066.50 and 215,065.50

Step by Step Solution

1. Step 1: Write the proportion equation
   137,066.50 : 215,065.50 = 215,065.50 : x
2. Step 2: Convert to fraction form
   137,066.50/215,065.50 = 215,065.50/x
3. Step 3: Cross multiply
   137,066.50x = 215,065.50 × 215,065.50
4. Step 4: Simplify right side
   137,066.50x = 46,253,169,290.25
5. Step 5: Solve for x
   x = 46,253,169,290.25/137,066.50
6. Step 6: Final answer
   x = 337,450.58