Finding the Third Proportional to 9,974,828 and 21,475,156

Step by Step Solution

1. Step 1: Write the proportion equation
   9,974,828 : 21,475,156 = 21,475,156 : x
2. Step 2: Convert to fraction form
   9,974,828/21,475,156 = 21,475,156/x
3. Step 3: Cross multiply
   9,974,828x = 21,475,156 × 21,475,156
4. Step 4: Simplify right side
   9,974,828x = 461,182,325,224,336
5. Step 5: Solve for x
   x = 461,182,325,224,336/9,974,828
6. Step 6: Final answer
   x = 46,234,614.29