Finding the Third Proportional to 1,310,544 and 1,977,840

Step by Step Solution

1. Step 1: Write the proportion equation
   1,310,544 : 1,977,840 = 1,977,840 : x
2. Step 2: Convert to fraction form
   1,310,544/1,977,840 = 1,977,840/x
3. Step 3: Cross multiply
   1,310,544x = 1,977,840 × 1,977,840
4. Step 4: Simplify right side
   1,310,544x = 3,911,851,065,600
5. Step 5: Solve for x
   x = 3,911,851,065,600/1,310,544
6. Step 6: Final answer
   x = 2,984,906.32