Finding the Third Proportional to 8,687,533 and 12,985,371.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,687,533 : 12,985,371.50 = 12,985,371.50 : x
2. Step 2: Convert to fraction form
   8,687,533/12,985,371.50 = 12,985,371.50/x
3. Step 3: Cross multiply
   8,687,533x = 12,985,371.50 × 12,985,371.50
4. Step 4: Simplify right side
   8,687,533x = 168,619,872,993,012.25
5. Step 5: Solve for x
   x = 168,619,872,993,012.25/8,687,533
6. Step 6: Final answer
   x = 19,409,408.06