Finding the Third Proportional to 43,112.25 and 64,402.88

Step by Step Solution

1. Step 1: Write the proportion equation
   43,112.25 : 64,402.88 = 64,402.88 : x
2. Step 2: Convert to fraction form
   43,112.25/64,402.88 = 64,402.88/x
3. Step 3: Cross multiply
   43,112.25x = 64,402.88 × 64,402.88
4. Step 4: Simplify right side
   43,112.25x = 4,147,730,308.27
5. Step 5: Solve for x
   x = 4,147,730,308.27/43,112.25
6. Step 6: Final answer
   x = 96,207.70