Finding the Third Proportional to 64,211.25 and 85,201.13

Step by Step Solution

1. Step 1: Write the proportion equation
   64,211.25 : 85,201.13 = 85,201.13 : x
2. Step 2: Convert to fraction form
   64,211.25/85,201.13 = 85,201.13/x
3. Step 3: Cross multiply
   64,211.25x = 85,201.13 × 85,201.13
4. Step 4: Simplify right side
   64,211.25x = 7,259,231,701.27
5. Step 5: Solve for x
   x = 7,259,231,701.27/64,211.25
6. Step 6: Final answer
   x = 113,052.33