Finding the Third Proportional to 139,097.25 and 267,112.69

Step by Step Solution

1. Step 1: Write the proportion equation
   139,097.25 : 267,112.69 = 267,112.69 : x
2. Step 2: Convert to fraction form
   139,097.25/267,112.69 = 267,112.69/x
3. Step 3: Cross multiply
   139,097.25x = 267,112.69 × 267,112.69
4. Step 4: Simplify right side
   139,097.25x = 71,349,187,823.47
5. Step 5: Solve for x
   x = 71,349,187,823.47/139,097.25
6. Step 6: Final answer
   x = 512,944.63