Finding the Third Proportional to 1,340,672 and 2,891,296

Step by Step Solution

1. Step 1: Write the proportion equation
   1,340,672 : 2,891,296 = 2,891,296 : x
2. Step 2: Convert to fraction form
   1,340,672/2,891,296 = 2,891,296/x
3. Step 3: Cross multiply
   1,340,672x = 2,891,296 × 2,891,296
4. Step 4: Simplify right side
   1,340,672x = 8,359,592,559,616
5. Step 5: Solve for x
   x = 8,359,592,559,616/1,340,672
6. Step 6: Final answer
   x = 6,235,374.92