Finding the Third Proportional to 99,024 and 212,263.50

Step by Step Solution

1. Step 1: Write the proportion equation
   99,024 : 212,263.50 = 212,263.50 : x
2. Step 2: Convert to fraction form
   99,024/212,263.50 = 212,263.50/x
3. Step 3: Cross multiply
   99,024x = 212,263.50 × 212,263.50
4. Step 4: Simplify right side
   99,024x = 45,055,793,432.25
5. Step 5: Solve for x
   x = 45,055,793,432.25/99,024
6. Step 6: Final answer
   x = 454,998.72