Finding the Third Proportional to 3,431,414 and 7,427,641

Step by Step Solution

1. Step 1: Write the proportion equation
   3,431,414 : 7,427,641 = 7,427,641 : x
2. Step 2: Convert to fraction form
   3,431,414/7,427,641 = 7,427,641/x
3. Step 3: Cross multiply
   3,431,414x = 7,427,641 × 7,427,641
4. Step 4: Simplify right side
   3,431,414x = 55,169,850,824,881
5. Step 5: Solve for x
   x = 55,169,850,824,881/3,431,414
6. Step 6: Final answer
   x = 16,077,876.59