Finding the Third Proportional to 111,471 and 242,623.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,471 : 242,623.50 = 242,623.50 : x
2. Step 2: Convert to fraction form
   111,471/242,623.50 = 242,623.50/x
3. Step 3: Cross multiply
   111,471x = 242,623.50 × 242,623.50
4. Step 4: Simplify right side
   111,471x = 58,866,162,752.25
5. Step 5: Solve for x
   x = 58,866,162,752.25/111,471
6. Step 6: Final answer
   x = 528,085.00