Finding the Third Proportional to 5,665,442 and 8,670,531

Step by Step Solution

1. Step 1: Write the proportion equation
   5,665,442 : 8,670,531 = 8,670,531 : x
2. Step 2: Convert to fraction form
   5,665,442/8,670,531 = 8,670,531/x
3. Step 3: Cross multiply
   5,665,442x = 8,670,531 × 8,670,531
4. Step 4: Simplify right side
   5,665,442x = 75,178,107,821,961
5. Step 5: Solve for x
   x = 75,178,107,821,961/5,665,442
6. Step 6: Final answer
   x = 13,269,592.70