Finding the Third Proportional to 1,248,940 and 2,947,312

Step by Step Solution

1. Step 1: Write the proportion equation
   1,248,940 : 2,947,312 = 2,947,312 : x
2. Step 2: Convert to fraction form
   1,248,940/2,947,312 = 2,947,312/x
3. Step 3: Cross multiply
   1,248,940x = 2,947,312 × 2,947,312
4. Step 4: Simplify right side
   1,248,940x = 8,686,648,025,344
5. Step 5: Solve for x
   x = 8,686,648,025,344/1,248,940
6. Step 6: Final answer
   x = 6,955,216.44