Finding the Third Proportional to 1,969,380 and 4,240,080

Step by Step Solution

1. Step 1: Write the proportion equation
   1,969,380 : 4,240,080 = 4,240,080 : x
2. Step 2: Convert to fraction form
   1,969,380/4,240,080 = 4,240,080/x
3. Step 3: Cross multiply
   1,969,380x = 4,240,080 × 4,240,080
4. Step 4: Simplify right side
   1,969,380x = 17,978,278,406,400
5. Step 5: Solve for x
   x = 17,978,278,406,400/1,969,380
6. Step 6: Final answer
   x = 9,128,902.70