Finding the Third Proportional to 71,016.75 and 148,108.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,016.75 : 148,108.50 = 148,108.50 : x
2. Step 2: Convert to fraction form
   71,016.75/148,108.50 = 148,108.50/x
3. Step 3: Cross multiply
   71,016.75x = 148,108.50 × 148,108.50
4. Step 4: Simplify right side
   71,016.75x = 21,936,127,772.25
5. Step 5: Solve for x
   x = 21,936,127,772.25/71,016.75
6. Step 6: Final answer
   x = 308,886.67