Finding the Third Proportional to 1,619,379 and 2,420,148

Step by Step Solution

1. Step 1: Write the proportion equation
   1,619,379 : 2,420,148 = 2,420,148 : x
2. Step 2: Convert to fraction form
   1,619,379/2,420,148 = 2,420,148/x
3. Step 3: Cross multiply
   1,619,379x = 2,420,148 × 2,420,148
4. Step 4: Simplify right side
   1,619,379x = 5,857,116,341,904
5. Step 5: Solve for x
   x = 5,857,116,341,904/1,619,379
6. Step 6: Final answer
   x = 3,616,890.39