Finding the Third Proportional to 3,894,109.50 and 8,522,317.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,894,109.50 : 8,522,317.50 = 8,522,317.50 : x
2. Step 2: Convert to fraction form
   3,894,109.50/8,522,317.50 = 8,522,317.50/x
3. Step 3: Cross multiply
   3,894,109.50x = 8,522,317.50 × 8,522,317.50
4. Step 4: Simplify right side
   3,894,109.50x = 72,629,895,570,806.25
5. Step 5: Solve for x
   x = 72,629,895,570,806.25/3,894,109.50
6. Step 6: Final answer
   x = 18,651,220.66