Finding the Third Proportional to 12,856,578 and 28,532,740

Step by Step Solution

1. Step 1: Write the proportion equation
   12,856,578 : 28,532,740 = 28,532,740 : x
2. Step 2: Convert to fraction form
   12,856,578/28,532,740 = 28,532,740/x
3. Step 3: Cross multiply
   12,856,578x = 28,532,740 × 28,532,740
4. Step 4: Simplify right side
   12,856,578x = 814,117,251,907,600
5. Step 5: Solve for x
   x = 814,117,251,907,600/12,856,578
6. Step 6: Final answer
   x = 63,323,012.69