Finding the Third Proportional to 516,216 and 1,132,143

Step by Step Solution

1. Step 1: Write the proportion equation
   516,216 : 1,132,143 = 1,132,143 : x
2. Step 2: Convert to fraction form
   516,216/1,132,143 = 1,132,143/x
3. Step 3: Cross multiply
   516,216x = 1,132,143 × 1,132,143
4. Step 4: Simplify right side
   516,216x = 1,281,747,772,449
5. Step 5: Solve for x
   x = 1,281,747,772,449/516,216
6. Step 6: Final answer
   x = 2,482,967.93