Finding the Third Proportional to 1,071,642 and 1,459,392

Step by Step Solution

1. Step 1: Write the proportion equation
   1,071,642 : 1,459,392 = 1,459,392 : x
2. Step 2: Convert to fraction form
   1,071,642/1,459,392 = 1,459,392/x
3. Step 3: Cross multiply
   1,071,642x = 1,459,392 × 1,459,392
4. Step 4: Simplify right side
   1,071,642x = 2,129,825,009,664
5. Step 5: Solve for x
   x = 2,129,825,009,664/1,071,642
6. Step 6: Final answer
   x = 1,987,440.78