Finding the Third Proportional to 1,979,460 and 4,238,856

Step by Step Solution

1. Step 1: Write the proportion equation
   1,979,460 : 4,238,856 = 4,238,856 : x
2. Step 2: Convert to fraction form
   1,979,460/4,238,856 = 4,238,856/x
3. Step 3: Cross multiply
   1,979,460x = 4,238,856 × 4,238,856
4. Step 4: Simplify right side
   1,979,460x = 17,967,900,188,736
5. Step 5: Solve for x
   x = 17,967,900,188,736/1,979,460
6. Step 6: Final answer
   x = 9,077,172.66