Finding the Third Proportional to 3,478,904 and 7,472,268

Step by Step Solution

1. Step 1: Write the proportion equation
   3,478,904 : 7,472,268 = 7,472,268 : x
2. Step 2: Convert to fraction form
   3,478,904/7,472,268 = 7,472,268/x
3. Step 3: Cross multiply
   3,478,904x = 7,472,268 × 7,472,268
4. Step 4: Simplify right side
   3,478,904x = 55,834,789,063,824
5. Step 5: Solve for x
   x = 55,834,789,063,824/3,478,904
6. Step 6: Final answer
   x = 16,049,534.30