Finding the Third Proportional to 648,822 and 1,423,949

Step by Step Solution

1. Step 1: Write the proportion equation
   648,822 : 1,423,949 = 1,423,949 : x
2. Step 2: Convert to fraction form
   648,822/1,423,949 = 1,423,949/x
3. Step 3: Cross multiply
   648,822x = 1,423,949 × 1,423,949
4. Step 4: Simplify right side
   648,822x = 2,027,630,754,601
5. Step 5: Solve for x
   x = 2,027,630,754,601/648,822
6. Step 6: Final answer
   x = 3,125,095.56