Finding the Third Proportional to 4,858,649 and 10,632,561.50

Step by Step Solution

1. Step 1: Write the proportion equation
   4,858,649 : 10,632,561.50 = 10,632,561.50 : x
2. Step 2: Convert to fraction form
   4,858,649/10,632,561.50 = 10,632,561.50/x
3. Step 3: Cross multiply
   4,858,649x = 10,632,561.50 × 10,632,561.50
4. Step 4: Simplify right side
   4,858,649x = 113,051,364,051,282.25
5. Step 5: Solve for x
   x = 113,051,364,051,282.25/4,858,649
6. Step 6: Final answer
   x = 23,268,065.68