Finding the Third Proportional to 12,240,322.50 and 18,517,914

Step by Step Solution

1. Step 1: Write the proportion equation
   12,240,322.50 : 18,517,914 = 18,517,914 : x
2. Step 2: Convert to fraction form
   12,240,322.50/18,517,914 = 18,517,914/x
3. Step 3: Cross multiply
   12,240,322.50x = 18,517,914 × 18,517,914
4. Step 4: Simplify right side
   12,240,322.50x = 342,913,138,911,396
5. Step 5: Solve for x
   x = 342,913,138,911,396/12,240,322.50
6. Step 6: Final answer
   x = 28,015,041.18