Finding the Third Proportional to 105,513 and 249,076

Step by Step Solution

1. Step 1: Write the proportion equation
   105,513 : 249,076 = 249,076 : x
2. Step 2: Convert to fraction form
   105,513/249,076 = 249,076/x
3. Step 3: Cross multiply
   105,513x = 249,076 × 249,076
4. Step 4: Simplify right side
   105,513x = 62,038,853,776
5. Step 5: Solve for x
   x = 62,038,853,776/105,513
6. Step 6: Final answer
   x = 587,973.56