Finding the Third Proportional to 743,478 and 1,582,860

Step by Step Solution

1. Step 1: Write the proportion equation
   743,478 : 1,582,860 = 1,582,860 : x
2. Step 2: Convert to fraction form
   743,478/1,582,860 = 1,582,860/x
3. Step 3: Cross multiply
   743,478x = 1,582,860 × 1,582,860
4. Step 4: Simplify right side
   743,478x = 2,505,445,779,600
5. Step 5: Solve for x
   x = 2,505,445,779,600/743,478
6. Step 6: Final answer
   x = 3,369,899.01