Finding the Third Proportional to 1,247,340 and 2,641,908

Step by Step Solution

1. Step 1: Write the proportion equation
   1,247,340 : 2,641,908 = 2,641,908 : x
2. Step 2: Convert to fraction form
   1,247,340/2,641,908 = 2,641,908/x
3. Step 3: Cross multiply
   1,247,340x = 2,641,908 × 2,641,908
4. Step 4: Simplify right side
   1,247,340x = 6,979,677,880,464
5. Step 5: Solve for x
   x = 6,979,677,880,464/1,247,340
6. Step 6: Final answer
   x = 5,595,649.85