Finding the Third Proportional to 9,480,386 and 21,010,684

Step by Step Solution

1. Step 1: Write the proportion equation
   9,480,386 : 21,010,684 = 21,010,684 : x
2. Step 2: Convert to fraction form
   9,480,386/21,010,684 = 21,010,684/x
3. Step 3: Cross multiply
   9,480,386x = 21,010,684 × 21,010,684
4. Step 4: Simplify right side
   9,480,386x = 441,448,842,147,856
5. Step 5: Solve for x
   x = 441,448,842,147,856/9,480,386
6. Step 6: Final answer
   x = 46,564,437.58