Finding the Third Proportional to 517,176 and 772,650

Step by Step Solution

1. Step 1: Write the proportion equation
   517,176 : 772,650 = 772,650 : x
2. Step 2: Convert to fraction form
   517,176/772,650 = 772,650/x
3. Step 3: Cross multiply
   517,176x = 772,650 × 772,650
4. Step 4: Simplify right side
   517,176x = 596,988,022,500
5. Step 5: Solve for x
   x = 596,988,022,500/517,176
6. Step 6: Final answer
   x = 1,154,322.75