Finding the Third Proportional to 5,863,388 and 8,969,453

Step by Step Solution

1. Step 1: Write the proportion equation
   5,863,388 : 8,969,453 = 8,969,453 : x
2. Step 2: Convert to fraction form
   5,863,388/8,969,453 = 8,969,453/x
3. Step 3: Cross multiply
   5,863,388x = 8,969,453 × 8,969,453
4. Step 4: Simplify right side
   5,863,388x = 80,451,087,119,209
5. Step 5: Solve for x
   x = 80,451,087,119,209/5,863,388
6. Step 6: Final answer
   x = 13,720,921.61