Finding the Third Proportional to 69,572 and 148,982.50

Step by Step Solution

1. Step 1: Write the proportion equation
   69,572 : 148,982.50 = 148,982.50 : x
2. Step 2: Convert to fraction form
   69,572/148,982.50 = 148,982.50/x
3. Step 3: Cross multiply
   69,572x = 148,982.50 × 148,982.50
4. Step 4: Simplify right side
   69,572x = 22,195,785,306.25
5. Step 5: Solve for x
   x = 22,195,785,306.25/69,572
6. Step 6: Final answer
   x = 319,033.31