Finding the Third Proportional to 9,974,830 and 21,475,160

Step by Step Solution

1. Step 1: Write the proportion equation
   9,974,830 : 21,475,160 = 21,475,160 : x
2. Step 2: Convert to fraction form
   9,974,830/21,475,160 = 21,475,160/x
3. Step 3: Cross multiply
   9,974,830x = 21,475,160 × 21,475,160
4. Step 4: Simplify right side
   9,974,830x = 461,182,497,025,600
5. Step 5: Solve for x
   x = 461,182,497,025,600/9,974,830
6. Step 6: Final answer
   x = 46,234,622.25