Finding the Third Proportional to 45,600.75 and 99,421.88

Step by Step Solution

1. Step 1: Write the proportion equation
   45,600.75 : 99,421.88 = 99,421.88 : x
2. Step 2: Convert to fraction form
   45,600.75/99,421.88 = 99,421.88/x
3. Step 3: Cross multiply
   45,600.75x = 99,421.88 × 99,421.88
4. Step 4: Simplify right side
   45,600.75x = 9,884,709,228.52
5. Step 5: Solve for x
   x = 9,884,709,228.52/45,600.75
6. Step 6: Final answer
   x = 216,766.37