Finding the Third Proportional to 4,944,566 and 10,268,090

Step by Step Solution

1. Step 1: Write the proportion equation
   4,944,566 : 10,268,090 = 10,268,090 : x
2. Step 2: Convert to fraction form
   4,944,566/10,268,090 = 10,268,090/x
3. Step 3: Cross multiply
   4,944,566x = 10,268,090 × 10,268,090
4. Step 4: Simplify right side
   4,944,566x = 105,433,672,248,100
5. Step 5: Solve for x
   x = 105,433,672,248,100/4,944,566
6. Step 6: Final answer
   x = 21,323,139.84