Finding the Third Proportional to 4,395,718 and 9,502,688

Step by Step Solution

1. Step 1: Write the proportion equation
   4,395,718 : 9,502,688 = 9,502,688 : x
2. Step 2: Convert to fraction form
   4,395,718/9,502,688 = 9,502,688/x
3. Step 3: Cross multiply
   4,395,718x = 9,502,688 × 9,502,688
4. Step 4: Simplify right side
   4,395,718x = 90,301,079,225,344
5. Step 5: Solve for x
   x = 90,301,079,225,344/4,395,718
6. Step 6: Final answer
   x = 20,542,964.59