Finding the Third Proportional to 111,332 and 242,644.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,332 : 242,644.50 = 242,644.50 : x
2. Step 2: Convert to fraction form
   111,332/242,644.50 = 242,644.50/x
3. Step 3: Cross multiply
   111,332x = 242,644.50 × 242,644.50
4. Step 4: Simplify right side
   111,332x = 58,876,353,380.25
5. Step 5: Solve for x
   x = 58,876,353,380.25/111,332
6. Step 6: Final answer
   x = 528,835.85