Finding the Third Proportional to 1,059,639 and 2,315,979

Step by Step Solution

1. Step 1: Write the proportion equation
   1,059,639 : 2,315,979 = 2,315,979 : x
2. Step 2: Convert to fraction form
   1,059,639/2,315,979 = 2,315,979/x
3. Step 3: Cross multiply
   1,059,639x = 2,315,979 × 2,315,979
4. Step 4: Simplify right side
   1,059,639x = 5,363,758,728,441
5. Step 5: Solve for x
   x = 5,363,758,728,441/1,059,639
6. Step 6: Final answer
   x = 5,061,873.65