Finding the Third Proportional to 2,066,620 and 4,379,080

Step by Step Solution

1. Step 1: Write the proportion equation
   2,066,620 : 4,379,080 = 4,379,080 : x
2. Step 2: Convert to fraction form
   2,066,620/4,379,080 = 4,379,080/x
3. Step 3: Cross multiply
   2,066,620x = 4,379,080 × 4,379,080
4. Step 4: Simplify right side
   2,066,620x = 19,176,341,646,400
5. Step 5: Solve for x
   x = 19,176,341,646,400/2,066,620
6. Step 6: Final answer
   x = 9,279,084.52