Finding the Third Proportional to 9,480,384 and 21,010,680

Step by Step Solution

1. Step 1: Write the proportion equation
   9,480,384 : 21,010,680 = 21,010,680 : x
2. Step 2: Convert to fraction form
   9,480,384/21,010,680 = 21,010,680/x
3. Step 3: Cross multiply
   9,480,384x = 21,010,680 × 21,010,680
4. Step 4: Simplify right side
   9,480,384x = 441,448,674,062,400
5. Step 5: Solve for x
   x = 441,448,674,062,400/9,480,384
6. Step 6: Final answer
   x = 46,564,429.68