Finding the Third Proportional to 8,303,826.38 and 18,118,664.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,303,826.38 : 18,118,664.72 = 18,118,664.72 : x
2. Step 2: Convert to fraction form
   8,303,826.38/18,118,664.72 = 18,118,664.72/x
3. Step 3: Cross multiply
   8,303,826.38x = 18,118,664.72 × 18,118,664.72
4. Step 4: Simplify right side
   8,303,826.38x = 328,286,011,190,476
5. Step 5: Solve for x
   x = 328,286,011,190,476/8,303,826.38
6. Step 6: Final answer
   x = 39,534,305.80