Finding the Third Proportional to 12,138,200 and 26,003,445.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,138,200 : 26,003,445.50 = 26,003,445.50 : x
2. Step 2: Convert to fraction form
   12,138,200/26,003,445.50 = 26,003,445.50/x
3. Step 3: Cross multiply
   12,138,200x = 26,003,445.50 × 26,003,445.50
4. Step 4: Simplify right side
   12,138,200x = 676,179,177,871,470.25
5. Step 5: Solve for x
   x = 676,179,177,871,470.25/12,138,200
6. Step 6: Final answer
   x = 55,706,709.22