Finding the Third Proportional to 366,337 and 781,061

Step by Step Solution

1. Step 1: Write the proportion equation
   366,337 : 781,061 = 781,061 : x
2. Step 2: Convert to fraction form
   366,337/781,061 = 781,061/x
3. Step 3: Cross multiply
   366,337x = 781,061 × 781,061
4. Step 4: Simplify right side
   366,337x = 610,056,285,721
5. Step 5: Solve for x
   x = 610,056,285,721/366,337
6. Step 6: Final answer
   x = 1,665,287.11