Finding the Third Proportional to 12,936,578 and 28,498,064

Step by Step Solution

1. Step 1: Write the proportion equation
   12,936,578 : 28,498,064 = 28,498,064 : x
2. Step 2: Convert to fraction form
   12,936,578/28,498,064 = 28,498,064/x
3. Step 3: Cross multiply
   12,936,578x = 28,498,064 × 28,498,064
4. Step 4: Simplify right side
   12,936,578x = 812,139,651,748,096
5. Step 5: Solve for x
   x = 812,139,651,748,096/12,936,578
6. Step 6: Final answer
   x = 62,778,553.32