Finding the Third Proportional to 162,870.50 and 249,149.50

Step by Step Solution

1. Step 1: Write the proportion equation
   162,870.50 : 249,149.50 = 249,149.50 : x
2. Step 2: Convert to fraction form
   162,870.50/249,149.50 = 249,149.50/x
3. Step 3: Cross multiply
   162,870.50x = 249,149.50 × 249,149.50
4. Step 4: Simplify right side
   162,870.50x = 62,075,473,350.25
5. Step 5: Solve for x
   x = 62,075,473,350.25/162,870.50
6. Step 6: Final answer
   x = 381,133.93