Finding the Third Proportional to 1,417,989 and 2,128,023

Step by Step Solution

1. Step 1: Write the proportion equation
   1,417,989 : 2,128,023 = 2,128,023 : x
2. Step 2: Convert to fraction form
   1,417,989/2,128,023 = 2,128,023/x
3. Step 3: Cross multiply
   1,417,989x = 2,128,023 × 2,128,023
4. Step 4: Simplify right side
   1,417,989x = 4,528,481,888,529
5. Step 5: Solve for x
   x = 4,528,481,888,529/1,417,989
6. Step 6: Final answer
   x = 3,193,594.51