Finding the Third Proportional to 8,145,618 and 12,077,536.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,145,618 : 12,077,536.50 = 12,077,536.50 : x
2. Step 2: Convert to fraction form
   8,145,618/12,077,536.50 = 12,077,536.50/x
3. Step 3: Cross multiply
   8,145,618x = 12,077,536.50 × 12,077,536.50
4. Step 4: Simplify right side
   8,145,618x = 145,866,887,908,832.25
5. Step 5: Solve for x
   x = 145,866,887,908,832.25/8,145,618
6. Step 6: Final answer
   x = 17,907,405.91