Finding the Third Proportional to 158,730 and 215,572.50

Step by Step Solution

1. Step 1: Write the proportion equation
   158,730 : 215,572.50 = 215,572.50 : x
2. Step 2: Convert to fraction form
   158,730/215,572.50 = 215,572.50/x
3. Step 3: Cross multiply
   158,730x = 215,572.50 × 215,572.50
4. Step 4: Simplify right side
   158,730x = 46,471,502,756.25
5. Step 5: Solve for x
   x = 46,471,502,756.25/158,730
6. Step 6: Final answer
   x = 292,770.76