Finding the Third Proportional to 3,315,688 and 4,985,840

Step by Step Solution

1. Step 1: Write the proportion equation
   3,315,688 : 4,985,840 = 4,985,840 : x
2. Step 2: Convert to fraction form
   3,315,688/4,985,840 = 4,985,840/x
3. Step 3: Cross multiply
   3,315,688x = 4,985,840 × 4,985,840
4. Step 4: Simplify right side
   3,315,688x = 24,858,600,505,600
5. Step 5: Solve for x
   x = 24,858,600,505,600/3,315,688
6. Step 6: Final answer
   x = 7,497,267.69