Finding the Third Proportional to 4,521,758 and 9,828,892

Step by Step Solution

1. Step 1: Write the proportion equation
   4,521,758 : 9,828,892 = 9,828,892 : x
2. Step 2: Convert to fraction form
   4,521,758/9,828,892 = 9,828,892/x
3. Step 3: Cross multiply
   4,521,758x = 9,828,892 × 9,828,892
4. Step 4: Simplify right side
   4,521,758x = 96,607,117,947,664
5. Step 5: Solve for x
   x = 96,607,117,947,664/4,521,758
6. Step 6: Final answer
   x = 21,364,946.54