Finding the Third Proportional to 516,323 and 743,650

Step by Step Solution

1. Step 1: Write the proportion equation
   516,323 : 743,650 = 743,650 : x
2. Step 2: Convert to fraction form
   516,323/743,650 = 743,650/x
3. Step 3: Cross multiply
   516,323x = 743,650 × 743,650
4. Step 4: Simplify right side
   516,323x = 553,015,322,500
5. Step 5: Solve for x
   x = 553,015,322,500/516,323
6. Step 6: Final answer
   x = 1,071,064.67