Finding the Third Proportional to 9,891,146 and 21,088,804

Step by Step Solution

1. Step 1: Write the proportion equation
   9,891,146 : 21,088,804 = 21,088,804 : x
2. Step 2: Convert to fraction form
   9,891,146/21,088,804 = 21,088,804/x
3. Step 3: Cross multiply
   9,891,146x = 21,088,804 × 21,088,804
4. Step 4: Simplify right side
   9,891,146x = 444,737,654,150,416
5. Step 5: Solve for x
   x = 444,737,654,150,416/9,891,146
6. Step 6: Final answer
   x = 44,963,207.92