Finding the Third Proportional to 64,204.50 and 85,214.25

Step by Step Solution

1. Step 1: Write the proportion equation
   64,204.50 : 85,214.25 = 85,214.25 : x
2. Step 2: Convert to fraction form
   64,204.50/85,214.25 = 85,214.25/x
3. Step 3: Cross multiply
   64,204.50x = 85,214.25 × 85,214.25
4. Step 4: Simplify right side
   64,204.50x = 7,261,468,403.06
5. Step 5: Solve for x
   x = 7,261,468,403.06/64,204.50
6. Step 6: Final answer
   x = 113,099.06