Finding the Third Proportional to 516,540 and 1,118,856

Step by Step Solution

1. Step 1: Write the proportion equation
   516,540 : 1,118,856 = 1,118,856 : x
2. Step 2: Convert to fraction form
   516,540/1,118,856 = 1,118,856/x
3. Step 3: Cross multiply
   516,540x = 1,118,856 × 1,118,856
4. Step 4: Simplify right side
   516,540x = 1,251,838,748,736
5. Step 5: Solve for x
   x = 1,251,838,748,736/516,540
6. Step 6: Final answer
   x = 2,423,507.86