Finding the Third Proportional to 677,946 and 1,486,140

Step by Step Solution

1. Step 1: Write the proportion equation
   677,946 : 1,486,140 = 1,486,140 : x
2. Step 2: Convert to fraction form
   677,946/1,486,140 = 1,486,140/x
3. Step 3: Cross multiply
   677,946x = 1,486,140 × 1,486,140
4. Step 4: Simplify right side
   677,946x = 2,208,612,099,600
5. Step 5: Solve for x
   x = 2,208,612,099,600/677,946
6. Step 6: Final answer
   x = 3,257,799.44