Finding the Third Proportional to 140,520 and 249,852

Step by Step Solution

1. Step 1: Write the proportion equation
   140,520 : 249,852 = 249,852 : x
2. Step 2: Convert to fraction form
   140,520/249,852 = 249,852/x
3. Step 3: Cross multiply
   140,520x = 249,852 × 249,852
4. Step 4: Simplify right side
   140,520x = 62,426,021,904
5. Step 5: Solve for x
   x = 62,426,021,904/140,520
6. Step 6: Final answer
   x = 444,250.08