Finding the Third Proportional to 43,288.88 and 66,493.50

Step by Step Solution

1. Step 1: Write the proportion equation
   43,288.88 : 66,493.50 = 66,493.50 : x
2. Step 2: Convert to fraction form
   43,288.88/66,493.50 = 66,493.50/x
3. Step 3: Cross multiply
   43,288.88x = 66,493.50 × 66,493.50
4. Step 4: Simplify right side
   43,288.88x = 4,421,385,542.25
5. Step 5: Solve for x
   x = 4,421,385,542.25/43,288.88
6. Step 6: Final answer
   x = 102,136.76