Finding the Third Proportional to 2,190,540 and 4,704,900

Step by Step Solution

1. Step 1: Write the proportion equation
   2,190,540 : 4,704,900 = 4,704,900 : x
2. Step 2: Convert to fraction form
   2,190,540/4,704,900 = 4,704,900/x
3. Step 3: Cross multiply
   2,190,540x = 4,704,900 × 4,704,900
4. Step 4: Simplify right side
   2,190,540x = 22,136,084,010,000
5. Step 5: Solve for x
   x = 22,136,084,010,000/2,190,540
6. Step 6: Final answer
   x = 10,105,309.20