Finding the Third Proportional to 4,460,620 and 9,496,664

Step by Step Solution

1. Step 1: Write the proportion equation
   4,460,620 : 9,496,664 = 9,496,664 : x
2. Step 2: Convert to fraction form
   4,460,620/9,496,664 = 9,496,664/x
3. Step 3: Cross multiply
   4,460,620x = 9,496,664 × 9,496,664
4. Step 4: Simplify right side
   4,460,620x = 90,186,627,128,896
5. Step 5: Solve for x
   x = 90,186,627,128,896/4,460,620
6. Step 6: Final answer
   x = 20,218,406.21