Finding the Third Proportional to 2,142,480 and 4,462,509

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142,480 : 4,462,509 = 4,462,509 : x
2. Step 2: Convert to fraction form
   2,142,480/4,462,509 = 4,462,509/x
3. Step 3: Cross multiply
   2,142,480x = 4,462,509 × 4,462,509
4. Step 4: Simplify right side
   2,142,480x = 19,913,986,575,081
5. Step 5: Solve for x
   x = 19,913,986,575,081/2,142,480
6. Step 6: Final answer
   x = 9,294,829.63