Finding the Third Proportional to 99,025.50 and 213,833.63

Step by Step Solution

1. Step 1: Write the proportion equation
   99,025.50 : 213,833.63 = 213,833.63 : x
2. Step 2: Convert to fraction form
   99,025.50/213,833.63 = 213,833.63/x
3. Step 3: Cross multiply
   99,025.50x = 213,833.63 × 213,833.63
4. Step 4: Simplify right side
   99,025.50x = 45,724,819,180.64
5. Step 5: Solve for x
   x = 45,724,819,180.64/99,025.50
6. Step 6: Final answer
   x = 461,747.93