Finding the Third Proportional to 4,422,660 and 9,460,148

Step by Step Solution

1. Step 1: Write the proportion equation
   4,422,660 : 9,460,148 = 9,460,148 : x
2. Step 2: Convert to fraction form
   4,422,660/9,460,148 = 9,460,148/x
3. Step 3: Cross multiply
   4,422,660x = 9,460,148 × 9,460,148
4. Step 4: Simplify right side
   4,422,660x = 89,494,400,181,904
5. Step 5: Solve for x
   x = 89,494,400,181,904/4,422,660
6. Step 6: Final answer
   x = 20,235,423.97