Finding the Third Proportional to 1,120,124 and 1,721,658

Step by Step Solution

1. Step 1: Write the proportion equation
   1,120,124 : 1,721,658 = 1,721,658 : x
2. Step 2: Convert to fraction form
   1,120,124/1,721,658 = 1,721,658/x
3. Step 3: Cross multiply
   1,120,124x = 1,721,658 × 1,721,658
4. Step 4: Simplify right side
   1,120,124x = 2,964,106,268,964
5. Step 5: Solve for x
   x = 2,964,106,268,964/1,120,124
6. Step 6: Final answer
   x = 2,646,230.48