Finding the Third Proportional to 3,377,904 and 7,280,688

Step by Step Solution

1. Step 1: Write the proportion equation
   3,377,904 : 7,280,688 = 7,280,688 : x
2. Step 2: Convert to fraction form
   3,377,904/7,280,688 = 7,280,688/x
3. Step 3: Cross multiply
   3,377,904x = 7,280,688 × 7,280,688
4. Step 4: Simplify right side
   3,377,904x = 53,008,417,753,344
5. Step 5: Solve for x
   x = 53,008,417,753,344/3,377,904
6. Step 6: Final answer
   x = 15,692,695.16