Finding the Third Proportional to 12,963,600 and 28,259,856

Step by Step Solution

1. Step 1: Write the proportion equation
   12,963,600 : 28,259,856 = 28,259,856 : x
2. Step 2: Convert to fraction form
   12,963,600/28,259,856 = 28,259,856/x
3. Step 3: Cross multiply
   12,963,600x = 28,259,856 × 28,259,856
4. Step 4: Simplify right side
   12,963,600x = 798,619,461,140,736
5. Step 5: Solve for x
   x = 798,619,461,140,736/12,963,600
6. Step 6: Final answer
   x = 61,604,759.57