Finding the Third Proportional to 35,220 and 72,060.50

Step by Step Solution

1. Step 1: Write the proportion equation
   35,220 : 72,060.50 = 72,060.50 : x
2. Step 2: Convert to fraction form
   35,220/72,060.50 = 72,060.50/x
3. Step 3: Cross multiply
   35,220x = 72,060.50 × 72,060.50
4. Step 4: Simplify right side
   35,220x = 5,192,715,660.25
5. Step 5: Solve for x
   x = 5,192,715,660.25/35,220
6. Step 6: Final answer
   x = 147,436.56