Finding the Third Proportional to 12,352,995 and 17,820,823.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,352,995 : 17,820,823.50 = 17,820,823.50 : x
2. Step 2: Convert to fraction form
   12,352,995/17,820,823.50 = 17,820,823.50/x
3. Step 3: Cross multiply
   12,352,995x = 17,820,823.50 × 17,820,823.50
4. Step 4: Simplify right side
   12,352,995x = 317,581,750,218,152.25
5. Step 5: Solve for x
   x = 317,581,750,218,152.25/12,352,995
6. Step 6: Final answer
   x = 25,708,886.81