Finding the Third Proportional to 508,729 and 1,059,320

Step by Step Solution

1. Step 1: Write the proportion equation
   508,729 : 1,059,320 = 1,059,320 : x
2. Step 2: Convert to fraction form
   508,729/1,059,320 = 1,059,320/x
3. Step 3: Cross multiply
   508,729x = 1,059,320 × 1,059,320
4. Step 4: Simplify right side
   508,729x = 1,122,158,862,400
5. Step 5: Solve for x
   x = 1,122,158,862,400/508,729
6. Step 6: Final answer
   x = 2,205,808.72