Finding the Third Proportional to 607,658 and 1,309,522

Step by Step Solution

1. Step 1: Write the proportion equation
   607,658 : 1,309,522 = 1,309,522 : x
2. Step 2: Convert to fraction form
   607,658/1,309,522 = 1,309,522/x
3. Step 3: Cross multiply
   607,658x = 1,309,522 × 1,309,522
4. Step 4: Simplify right side
   607,658x = 1,714,847,868,484
5. Step 5: Solve for x
   x = 1,714,847,868,484/607,658
6. Step 6: Final answer
   x = 2,822,060.88