Finding the Third Proportional to 12,428,970 and 26,584,986

Step by Step Solution

1. Step 1: Write the proportion equation
   12,428,970 : 26,584,986 = 26,584,986 : x
2. Step 2: Convert to fraction form
   12,428,970/26,584,986 = 26,584,986/x
3. Step 3: Cross multiply
   12,428,970x = 26,584,986 × 26,584,986
4. Step 4: Simplify right side
   12,428,970x = 706,761,480,620,196
5. Step 5: Solve for x
   x = 706,761,480,620,196/12,428,970
6. Step 6: Final answer
   x = 56,864,042.69