Finding the Third Proportional to 105,738 and 249,520

Step by Step Solution

1. Step 1: Write the proportion equation
   105,738 : 249,520 = 249,520 : x
2. Step 2: Convert to fraction form
   105,738/249,520 = 249,520/x
3. Step 3: Cross multiply
   105,738x = 249,520 × 249,520
4. Step 4: Simplify right side
   105,738x = 62,260,230,400
5. Step 5: Solve for x
   x = 62,260,230,400/105,738
6. Step 6: Final answer
   x = 588,816.04