Finding the Third Proportional to 3,315,391 and 7,247,124

Step by Step Solution

1. Step 1: Write the proportion equation
   3,315,391 : 7,247,124 = 7,247,124 : x
2. Step 2: Convert to fraction form
   3,315,391/7,247,124 = 7,247,124/x
3. Step 3: Cross multiply
   3,315,391x = 7,247,124 × 7,247,124
4. Step 4: Simplify right side
   3,315,391x = 52,520,806,271,376
5. Step 5: Solve for x
   x = 52,520,806,271,376/3,315,391
6. Step 6: Final answer
   x = 15,841,511.99