Finding the Third Proportional to 8,500,648.50 and 18,344,641.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,500,648.50 : 18,344,641.50 = 18,344,641.50 : x
2. Step 2: Convert to fraction form
   8,500,648.50/18,344,641.50 = 18,344,641.50/x
3. Step 3: Cross multiply
   8,500,648.50x = 18,344,641.50 × 18,344,641.50
4. Step 4: Simplify right side
   8,500,648.50x = 336,525,871,763,522.25
5. Step 5: Solve for x
   x = 336,525,871,763,522.25/8,500,648.50
6. Step 6: Final answer
   x = 39,588,258.68