Finding the Third Proportional to 112,370 and 245,730

Step by Step Solution

1. Step 1: Write the proportion equation
   112,370 : 245,730 = 245,730 : x
2. Step 2: Convert to fraction form
   112,370/245,730 = 245,730/x
3. Step 3: Cross multiply
   112,370x = 245,730 × 245,730
4. Step 4: Simplify right side
   112,370x = 60,383,232,900
5. Step 5: Solve for x
   x = 60,383,232,900/112,370
6. Step 6: Final answer
   x = 537,360.80