Finding the Third Proportional to 12,105,636.75 and 26,123,643

Step by Step Solution

1. Step 1: Write the proportion equation
   12,105,636.75 : 26,123,643 = 26,123,643 : x
2. Step 2: Convert to fraction form
   12,105,636.75/26,123,643 = 26,123,643/x
3. Step 3: Cross multiply
   12,105,636.75x = 26,123,643 × 26,123,643
4. Step 4: Simplify right side
   12,105,636.75x = 682,444,723,591,449
5. Step 5: Solve for x
   x = 682,444,723,591,449/12,105,636.75
6. Step 6: Final answer
   x = 56,374,128.65