Finding the Third Proportional to 249,177 and 373,688.50

Step by Step Solution

1. Step 1: Write the proportion equation
   249,177 : 373,688.50 = 373,688.50 : x
2. Step 2: Convert to fraction form
   249,177/373,688.50 = 373,688.50/x
3. Step 3: Cross multiply
   249,177x = 373,688.50 × 373,688.50
4. Step 4: Simplify right side
   249,177x = 139,643,095,032.25
5. Step 5: Solve for x
   x = 139,643,095,032.25/249,177
6. Step 6: Final answer
   x = 560,417.27