Finding the Third Proportional to 4,038,271.50 and 8,644,189.50

Step by Step Solution

1. Step 1: Write the proportion equation
   4,038,271.50 : 8,644,189.50 = 8,644,189.50 : x
2. Step 2: Convert to fraction form
   4,038,271.50/8,644,189.50 = 8,644,189.50/x
3. Step 3: Cross multiply
   4,038,271.50x = 8,644,189.50 × 8,644,189.50
4. Step 4: Simplify right side
   4,038,271.50x = 74,722,012,111,910.25
5. Step 5: Solve for x
   x = 74,722,012,111,910.25/4,038,271.50
6. Step 6: Final answer
   x = 18,503,464.20