Finding the Third Proportional to 3,968,755.88 and 8,414,401.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,968,755.88 : 8,414,401.50 = 8,414,401.50 : x
2. Step 2: Convert to fraction form
   3,968,755.88/8,414,401.50 = 8,414,401.50/x
3. Step 3: Cross multiply
   3,968,755.88x = 8,414,401.50 × 8,414,401.50
4. Step 4: Simplify right side
   3,968,755.88x = 70,802,152,603,202.25
5. Step 5: Solve for x
   x = 70,802,152,603,202.25/3,968,755.88
6. Step 6: Final answer
   x = 17,839,886.06