Finding the Third Proportional to 1,004,624 and 1,407,992

Step by Step Solution

1. Step 1: Write the proportion equation
   1,004,624 : 1,407,992 = 1,407,992 : x
2. Step 2: Convert to fraction form
   1,004,624/1,407,992 = 1,407,992/x
3. Step 3: Cross multiply
   1,004,624x = 1,407,992 × 1,407,992
4. Step 4: Simplify right side
   1,004,624x = 1,982,441,472,064
5. Step 5: Solve for x
   x = 1,982,441,472,064/1,004,624
6. Step 6: Final answer
   x = 1,973,316.85