Finding the Third Proportional to 8,735,647.50 and 18,591,592.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,735,647.50 : 18,591,592.50 = 18,591,592.50 : x
2. Step 2: Convert to fraction form
   8,735,647.50/18,591,592.50 = 18,591,592.50/x
3. Step 3: Cross multiply
   8,735,647.50x = 18,591,592.50 × 18,591,592.50
4. Step 4: Simplify right side
   8,735,647.50x = 345,647,311,686,056.25
5. Step 5: Solve for x
   x = 345,647,311,686,056.25/8,735,647.50
6. Step 6: Final answer
   x = 39,567,451.83