Finding the Third Proportional to 5,190,536 and 8,265,452

Step by Step Solution

1. Step 1: Write the proportion equation
   5,190,536 : 8,265,452 = 8,265,452 : x
2. Step 2: Convert to fraction form
   5,190,536/8,265,452 = 8,265,452/x
3. Step 3: Cross multiply
   5,190,536x = 8,265,452 × 8,265,452
4. Step 4: Simplify right side
   5,190,536x = 68,317,696,764,304
5. Step 5: Solve for x
   x = 68,317,696,764,304/5,190,536
6. Step 6: Final answer
   x = 13,161,973.40