Finding the Third Proportional to 3,457,238 and 7,468,407

Step by Step Solution

1. Step 1: Write the proportion equation
   3,457,238 : 7,468,407 = 7,468,407 : x
2. Step 2: Convert to fraction form
   3,457,238/7,468,407 = 7,468,407/x
3. Step 3: Cross multiply
   3,457,238x = 7,468,407 × 7,468,407
4. Step 4: Simplify right side
   3,457,238x = 55,777,103,117,649
5. Step 5: Solve for x
   x = 55,777,103,117,649/3,457,238
6. Step 6: Final answer
   x = 16,133,428.80