Finding the Third Proportional to 234,549 and 512,115.75

Step by Step Solution

1. Step 1: Write the proportion equation
   234,549 : 512,115.75 = 512,115.75 : x
2. Step 2: Convert to fraction form
   234,549/512,115.75 = 512,115.75/x
3. Step 3: Cross multiply
   234,549x = 512,115.75 × 512,115.75
4. Step 4: Simplify right side
   234,549x = 262,262,541,398.06
5. Step 5: Solve for x
   x = 262,262,541,398.06/234,549
6. Step 6: Final answer
   x = 1,118,156.72