Finding the Third Proportional to 3,459,972 and 7,431,396

Step by Step Solution

1. Step 1: Write the proportion equation
   3,459,972 : 7,431,396 = 7,431,396 : x
2. Step 2: Convert to fraction form
   3,459,972/7,431,396 = 7,431,396/x
3. Step 3: Cross multiply
   3,459,972x = 7,431,396 × 7,431,396
4. Step 4: Simplify right side
   3,459,972x = 55,225,646,508,816
5. Step 5: Solve for x
   x = 55,225,646,508,816/3,459,972
6. Step 6: Final answer
   x = 15,961,298.68