Finding the Third Proportional to 8,681,601.50 and 12,771,462.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,681,601.50 : 12,771,462.50 = 12,771,462.50 : x
2. Step 2: Convert to fraction form
   8,681,601.50/12,771,462.50 = 12,771,462.50/x
3. Step 3: Cross multiply
   8,681,601.50x = 12,771,462.50 × 12,771,462.50
4. Step 4: Simplify right side
   8,681,601.50x = 163,110,254,388,906.25
5. Step 5: Solve for x
   x = 163,110,254,388,906.25/8,681,601.50
6. Step 6: Final answer
   x = 18,788,037.48