Finding the Third Proportional to 7,701.50 and 12,402.25

Step by Step Solution

1. Step 1: Write the proportion equation
   7,701.50 : 12,402.25 = 12,402.25 : x
2. Step 2: Convert to fraction form
   7,701.50/12,402.25 = 12,402.25/x
3. Step 3: Cross multiply
   7,701.50x = 12,402.25 × 12,402.25
4. Step 4: Simplify right side
   7,701.50x = 153,815,805.06
5. Step 5: Solve for x
   x = 153,815,805.06/7,701.50
6. Step 6: Final answer
   x = 19,972.19