Finding the Third Proportional to 71,807 and 153,387.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,807 : 153,387.50 = 153,387.50 : x
2. Step 2: Convert to fraction form
   71,807/153,387.50 = 153,387.50/x
3. Step 3: Cross multiply
   71,807x = 153,387.50 × 153,387.50
4. Step 4: Simplify right side
   71,807x = 23,527,725,156.25
5. Step 5: Solve for x
   x = 23,527,725,156.25/71,807
6. Step 6: Final answer
   x = 327,652.25