Finding the Third Proportional to 7,315,413 and 10,867,216.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,315,413 : 10,867,216.50 = 10,867,216.50 : x
2. Step 2: Convert to fraction form
   7,315,413/10,867,216.50 = 10,867,216.50/x
3. Step 3: Cross multiply
   7,315,413x = 10,867,216.50 × 10,867,216.50
4. Step 4: Simplify right side
   7,315,413x = 118,096,394,457,872.25
5. Step 5: Solve for x
   x = 118,096,394,457,872.25/7,315,413
6. Step 6: Final answer
   x = 16,143,503.38