Finding the Third Proportional to 43,387.50 and 65,543.25

Step by Step Solution

1. Step 1: Write the proportion equation
   43,387.50 : 65,543.25 = 65,543.25 : x
2. Step 2: Convert to fraction form
   43,387.50/65,543.25 = 65,543.25/x
3. Step 3: Cross multiply
   43,387.50x = 65,543.25 × 65,543.25
4. Step 4: Simplify right side
   43,387.50x = 4,295,917,620.56
5. Step 5: Solve for x
   x = 4,295,917,620.56/43,387.50
6. Step 6: Final answer
   x = 99,012.79