Finding the Third Proportional to 12,365,789 and 26,374,978

Step by Step Solution

1. Step 1: Write the proportion equation
   12,365,789 : 26,374,978 = 26,374,978 : x
2. Step 2: Convert to fraction form
   12,365,789/26,374,978 = 26,374,978/x
3. Step 3: Cross multiply
   12,365,789x = 26,374,978 × 26,374,978
4. Step 4: Simplify right side
   12,365,789x = 695,639,464,500,484
5. Step 5: Solve for x
   x = 695,639,464,500,484/12,365,789
6. Step 6: Final answer
   x = 56,255,162.08