Finding the Third Proportional to 3,430,951 and 7,459,440

Step by Step Solution

1. Step 1: Write the proportion equation
   3,430,951 : 7,459,440 = 7,459,440 : x
2. Step 2: Convert to fraction form
   3,430,951/7,459,440 = 7,459,440/x
3. Step 3: Cross multiply
   3,430,951x = 7,459,440 × 7,459,440
4. Step 4: Simplify right side
   3,430,951x = 55,643,245,113,600
5. Step 5: Solve for x
   x = 55,643,245,113,600/3,430,951
6. Step 6: Final answer
   x = 16,218,023.84