Finding the Third Proportional to 28,770.75 and 59,539.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,770.75 : 59,539.50 = 59,539.50 : x
2. Step 2: Convert to fraction form
   28,770.75/59,539.50 = 59,539.50/x
3. Step 3: Cross multiply
   28,770.75x = 59,539.50 × 59,539.50
4. Step 4: Simplify right side
   28,770.75x = 3,544,952,060.25
5. Step 5: Solve for x
   x = 3,544,952,060.25/28,770.75
6. Step 6: Final answer
   x = 123,213.75