Finding the Third Proportional to 28,452,450 and 67,143,540

Step by Step Solution

1. Step 1: Write the proportion equation
   28,452,450 : 67,143,540 = 67,143,540 : x
2. Step 2: Convert to fraction form
   28,452,450/67,143,540 = 67,143,540/x
3. Step 3: Cross multiply
   28,452,450x = 67,143,540 × 67,143,540
4. Step 4: Simplify right side
   28,452,450x = 4,508,254,963,731,600
5. Step 5: Solve for x
   x = 4,508,254,963,731,600/28,452,450
6. Step 6: Final answer
   x = 158,448,743.91