Finding the Third Proportional to 72,588.38 and 156,301.88

Step by Step Solution

1. Step 1: Write the proportion equation
   72,588.38 : 156,301.88 = 156,301.88 : x
2. Step 2: Convert to fraction form
   72,588.38/156,301.88 = 156,301.88/x
3. Step 3: Cross multiply
   72,588.38x = 156,301.88 × 156,301.88
4. Step 4: Simplify right side
   72,588.38x = 24,430,276,128.52
5. Step 5: Solve for x
   x = 24,430,276,128.52/72,588.38
6. Step 6: Final answer
   x = 336,559.07