Finding the Third Proportional to 637,362 and 1,399,140

Step by Step Solution

1. Step 1: Write the proportion equation
   637,362 : 1,399,140 = 1,399,140 : x
2. Step 2: Convert to fraction form
   637,362/1,399,140 = 1,399,140/x
3. Step 3: Cross multiply
   637,362x = 1,399,140 × 1,399,140
4. Step 4: Simplify right side
   637,362x = 1,957,592,739,600
5. Step 5: Solve for x
   x = 1,957,592,739,600/637,362
6. Step 6: Final answer
   x = 3,071,398.58