Finding the Third Proportional to 43,112.25 and 66,595.50

Step by Step Solution

1. Step 1: Write the proportion equation
   43,112.25 : 66,595.50 = 66,595.50 : x
2. Step 2: Convert to fraction form
   43,112.25/66,595.50 = 66,595.50/x
3. Step 3: Cross multiply
   43,112.25x = 66,595.50 × 66,595.50
4. Step 4: Simplify right side
   43,112.25x = 4,434,960,620.25
5. Step 5: Solve for x
   x = 4,434,960,620.25/43,112.25
6. Step 6: Final answer
   x = 102,870.08