Finding the Third Proportional to 7,539.75 and 12,385.88

Step by Step Solution

1. Step 1: Write the proportion equation
   7,539.75 : 12,385.88 = 12,385.88 : x
2. Step 2: Convert to fraction form
   7,539.75/12,385.88 = 12,385.88/x
3. Step 3: Cross multiply
   7,539.75x = 12,385.88 × 12,385.88
4. Step 4: Simplify right side
   7,539.75x = 153,409,899.52
5. Step 5: Solve for x
   x = 153,409,899.52/7,539.75
6. Step 6: Final answer
   x = 20,346.82