Finding the Third Proportional to 12,428,969 and 26,584,984

Step by Step Solution

1. Step 1: Write the proportion equation
   12,428,969 : 26,584,984 = 26,584,984 : x
2. Step 2: Convert to fraction form
   12,428,969/26,584,984 = 26,584,984/x
3. Step 3: Cross multiply
   12,428,969x = 26,584,984 × 26,584,984
4. Step 4: Simplify right side
   12,428,969x = 706,761,374,280,256
5. Step 5: Solve for x
   x = 706,761,374,280,256/12,428,969
6. Step 6: Final answer
   x = 56,864,038.71