Finding the Third Proportional to 105,510 and 249,069

Step by Step Solution

1. Step 1: Write the proportion equation
   105,510 : 249,069 = 249,069 : x
2. Step 2: Convert to fraction form
   105,510/249,069 = 249,069/x
3. Step 3: Cross multiply
   105,510x = 249,069 × 249,069
4. Step 4: Simplify right side
   105,510x = 62,035,366,761
5. Step 5: Solve for x
   x = 62,035,366,761/105,510
6. Step 6: Final answer
   x = 587,957.22