Finding the Third Proportional to 71,917.50 and 153,060

Step by Step Solution

1. Step 1: Write the proportion equation
   71,917.50 : 153,060 = 153,060 : x
2. Step 2: Convert to fraction form
   71,917.50/153,060 = 153,060/x
3. Step 3: Cross multiply
   71,917.50x = 153,060 × 153,060
4. Step 4: Simplify right side
   71,917.50x = 23,427,363,600
5. Step 5: Solve for x
   x = 23,427,363,600/71,917.50
6. Step 6: Final answer
   x = 325,753.31