Finding the Third Proportional to 516,218 and 1,132,147

Step by Step Solution

1. Step 1: Write the proportion equation
   516,218 : 1,132,147 = 1,132,147 : x
2. Step 2: Convert to fraction form
   516,218/1,132,147 = 1,132,147/x
3. Step 3: Cross multiply
   516,218x = 1,132,147 × 1,132,147
4. Step 4: Simplify right side
   516,218x = 1,281,756,829,609
5. Step 5: Solve for x
   x = 1,281,756,829,609/516,218
6. Step 6: Final answer
   x = 2,482,975.85