Finding the Third Proportional to 12,138,198.75 and 26,003,443.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,138,198.75 : 26,003,443.50 = 26,003,443.50 : x
2. Step 2: Convert to fraction form
   12,138,198.75/26,003,443.50 = 26,003,443.50/x
3. Step 3: Cross multiply
   12,138,198.75x = 26,003,443.50 × 26,003,443.50
4. Step 4: Simplify right side
   12,138,198.75x = 676,179,073,857,692.25
5. Step 5: Solve for x
   x = 676,179,073,857,692.25/12,138,198.75
6. Step 6: Final answer
   x = 55,706,706.39