Finding the Third Proportional to 9,090 and 12,337.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,090 : 12,337.50 = 12,337.50 : x
2. Step 2: Convert to fraction form
   9,090/12,337.50 = 12,337.50/x
3. Step 3: Cross multiply
   9,090x = 12,337.50 × 12,337.50
4. Step 4: Simplify right side
   9,090x = 152,213,906.25
5. Step 5: Solve for x
   x = 152,213,906.25/9,090
6. Step 6: Final answer
   x = 16,745.20