Finding the Third Proportional to 9,992,768 and 21,501,124

Step by Step Solution

1. Step 1: Write the proportion equation
   9,992,768 : 21,501,124 = 21,501,124 : x
2. Step 2: Convert to fraction form
   9,992,768/21,501,124 = 21,501,124/x
3. Step 3: Cross multiply
   9,992,768x = 21,501,124 × 21,501,124
4. Step 4: Simplify right side
   9,992,768x = 462,298,333,263,376
5. Step 5: Solve for x
   x = 462,298,333,263,376/9,992,768
6. Step 6: Final answer
   x = 46,263,290.94