Finding the Third Proportional to 10,235,439 and 21,888,054

Step by Step Solution

1. Step 1: Write the proportion equation
   10,235,439 : 21,888,054 = 21,888,054 : x
2. Step 2: Convert to fraction form
   10,235,439/21,888,054 = 21,888,054/x
3. Step 3: Cross multiply
   10,235,439x = 21,888,054 × 21,888,054
4. Step 4: Simplify right side
   10,235,439x = 479,086,907,906,916
5. Step 5: Solve for x
   x = 479,086,907,906,916/10,235,439
6. Step 6: Final answer
   x = 46,806,679.02