Finding the Third Proportional to 3,866,536 and 5,681,454

Step by Step Solution

1. Step 1: Write the proportion equation
   3,866,536 : 5,681,454 = 5,681,454 : x
2. Step 2: Convert to fraction form
   3,866,536/5,681,454 = 5,681,454/x
3. Step 3: Cross multiply
   3,866,536x = 5,681,454 × 5,681,454
4. Step 4: Simplify right side
   3,866,536x = 32,278,919,554,116
5. Step 5: Solve for x
   x = 32,278,919,554,116/3,866,536
6. Step 6: Final answer
   x = 8,348,278.55