Finding the Third Proportional to 10,269,433.50 and 21,684,787

Step by Step Solution

1. Step 1: Write the proportion equation
   10,269,433.50 : 21,684,787 = 21,684,787 : x
2. Step 2: Convert to fraction form
   10,269,433.50/21,684,787 = 21,684,787/x
3. Step 3: Cross multiply
   10,269,433.50x = 21,684,787 × 21,684,787
4. Step 4: Simplify right side
   10,269,433.50x = 470,229,987,235,369
5. Step 5: Solve for x
   x = 470,229,987,235,369/10,269,433.50
6. Step 6: Final answer
   x = 45,789,282.07