Finding the Third Proportional to 8,665,218.63 and 13,410,367.91

Step by Step Solution

1. Step 1: Write the proportion equation
   8,665,218.63 : 13,410,367.91 = 13,410,367.91 : x
2. Step 2: Convert to fraction form
   8,665,218.63/13,410,367.91 = 13,410,367.91/x
3. Step 3: Cross multiply
   8,665,218.63x = 13,410,367.91 × 13,410,367.91
4. Step 4: Simplify right side
   8,665,218.63x = 179,837,967,485,741.81
5. Step 5: Solve for x
   x = 179,837,967,485,741.81/8,665,218.63
6. Step 6: Final answer
   x = 20,754,002.31