Finding the Third Proportional to 1,397,349 and 1,977,650

Step by Step Solution

1. Step 1: Write the proportion equation
   1,397,349 : 1,977,650 = 1,977,650 : x
2. Step 2: Convert to fraction form
   1,397,349/1,977,650 = 1,977,650/x
3. Step 3: Cross multiply
   1,397,349x = 1,977,650 × 1,977,650
4. Step 4: Simplify right side
   1,397,349x = 3,911,099,522,500
5. Step 5: Solve for x
   x = 3,911,099,522,500/1,397,349
6. Step 6: Final answer
   x = 2,798,942.51