Finding the Third Proportional to 112,366 and 245,721.50

Step by Step Solution

1. Step 1: Write the proportion equation
   112,366 : 245,721.50 = 245,721.50 : x
2. Step 2: Convert to fraction form
   112,366/245,721.50 = 245,721.50/x
3. Step 3: Cross multiply
   112,366x = 245,721.50 × 245,721.50
4. Step 4: Simplify right side
   112,366x = 60,379,055,562.25
5. Step 5: Solve for x
   x = 60,379,055,562.25/112,366
6. Step 6: Final answer
   x = 537,342.75