Finding the Third Proportional to 12,939,876 and 27,697,470

Step by Step Solution

1. Step 1: Write the proportion equation
   12,939,876 : 27,697,470 = 27,697,470 : x
2. Step 2: Convert to fraction form
   12,939,876/27,697,470 = 27,697,470/x
3. Step 3: Cross multiply
   12,939,876x = 27,697,470 × 27,697,470
4. Step 4: Simplify right side
   12,939,876x = 767,149,844,400,900
5. Step 5: Solve for x
   x = 767,149,844,400,900/12,939,876
6. Step 6: Final answer
   x = 59,285,718.38