Finding the Third Proportional to 6,139,422 and 8,587,701

Step by Step Solution

1. Step 1: Write the proportion equation
   6,139,422 : 8,587,701 = 8,587,701 : x
2. Step 2: Convert to fraction form
   6,139,422/8,587,701 = 8,587,701/x
3. Step 3: Cross multiply
   6,139,422x = 8,587,701 × 8,587,701
4. Step 4: Simplify right side
   6,139,422x = 73,748,608,465,401
5. Step 5: Solve for x
   x = 73,748,608,465,401/6,139,422
6. Step 6: Final answer
   x = 12,012,304.82