Finding the Third Proportional to 12,053,434 and 18,188,835

Step by Step Solution

1. Step 1: Write the proportion equation
   12,053,434 : 18,188,835 = 18,188,835 : x
2. Step 2: Convert to fraction form
   12,053,434/18,188,835 = 18,188,835/x
3. Step 3: Cross multiply
   12,053,434x = 18,188,835 × 18,188,835
4. Step 4: Simplify right side
   12,053,434x = 330,833,718,657,225
5. Step 5: Solve for x
   x = 330,833,718,657,225/12,053,434
6. Step 6: Final answer
   x = 27,447,258.49