Finding the Third Proportional to 3,428,092 and 7,121,902

Step by Step Solution

1. Step 1: Write the proportion equation
   3,428,092 : 7,121,902 = 7,121,902 : x
2. Step 2: Convert to fraction form
   3,428,092/7,121,902 = 7,121,902/x
3. Step 3: Cross multiply
   3,428,092x = 7,121,902 × 7,121,902
4. Step 4: Simplify right side
   3,428,092x = 50,721,488,097,604
5. Step 5: Solve for x
   x = 50,721,488,097,604/3,428,092
6. Step 6: Final answer
   x = 14,795,836.31