Finding the Third Proportional to 9,892,478 and 21,476,935

Step by Step Solution

1. Step 1: Write the proportion equation
   9,892,478 : 21,476,935 = 21,476,935 : x
2. Step 2: Convert to fraction form
   9,892,478/21,476,935 = 21,476,935/x
3. Step 3: Cross multiply
   9,892,478x = 21,476,935 × 21,476,935
4. Step 4: Simplify right side
   9,892,478x = 461,258,736,994,225
5. Step 5: Solve for x
   x = 461,258,736,994,225/9,892,478
6. Step 6: Final answer
   x = 46,627,218.88