Finding the Third Proportional to 15,717,271.50 and 34,356,372

Step by Step Solution

1. Step 1: Write the proportion equation
   15,717,271.50 : 34,356,372 = 34,356,372 : x
2. Step 2: Convert to fraction form
   15,717,271.50/34,356,372 = 34,356,372/x
3. Step 3: Cross multiply
   15,717,271.50x = 34,356,372 × 34,356,372
4. Step 4: Simplify right side
   15,717,271.50x = 1,180,360,297,002,384
5. Step 5: Solve for x
   x = 1,180,360,297,002,384/15,717,271.50
6. Step 6: Final answer
   x = 75,099,567.82