Finding the Third Proportional to 115,238 and 250,156

Step by Step Solution

1. Step 1: Write the proportion equation
   115,238 : 250,156 = 250,156 : x
2. Step 2: Convert to fraction form
   115,238/250,156 = 250,156/x
3. Step 3: Cross multiply
   115,238x = 250,156 × 250,156
4. Step 4: Simplify right side
   115,238x = 62,578,024,336
5. Step 5: Solve for x
   x = 62,578,024,336/115,238
6. Step 6: Final answer
   x = 543,032.89