Finding the Third Proportional to 105,507 and 249,061.50

Step by Step Solution

1. Step 1: Write the proportion equation
   105,507 : 249,061.50 = 249,061.50 : x
2. Step 2: Convert to fraction form
   105,507/249,061.50 = 249,061.50/x
3. Step 3: Cross multiply
   105,507x = 249,061.50 × 249,061.50
4. Step 4: Simplify right side
   105,507x = 62,031,630,782.25
5. Step 5: Solve for x
   x = 62,031,630,782.25/105,507
6. Step 6: Final answer
   x = 587,938.53