Finding the Third Proportional to 12,105,640.50 and 26,123,649

Step by Step Solution

1. Step 1: Write the proportion equation
   12,105,640.50 : 26,123,649 = 26,123,649 : x
2. Step 2: Convert to fraction form
   12,105,640.50/26,123,649 = 26,123,649/x
3. Step 3: Cross multiply
   12,105,640.50x = 26,123,649 × 26,123,649
4. Step 4: Simplify right side
   12,105,640.50x = 682,445,037,075,201
5. Step 5: Solve for x
   x = 682,445,037,075,201/12,105,640.50
6. Step 6: Final answer
   x = 56,374,137.09