Finding the Third Proportional to 4,722,470 and 10,012,448

Step by Step Solution

1. Step 1: Write the proportion equation
   4,722,470 : 10,012,448 = 10,012,448 : x
2. Step 2: Convert to fraction form
   4,722,470/10,012,448 = 10,012,448/x
3. Step 3: Cross multiply
   4,722,470x = 10,012,448 × 10,012,448
4. Step 4: Simplify right side
   4,722,470x = 100,249,114,952,704
5. Step 5: Solve for x
   x = 100,249,114,952,704/4,722,470
6. Step 6: Final answer
   x = 21,228,110.49