Finding the Third Proportional to 611,362 and 1,438,510

Step by Step Solution

1. Step 1: Write the proportion equation
   611,362 : 1,438,510 = 1,438,510 : x
2. Step 2: Convert to fraction form
   611,362/1,438,510 = 1,438,510/x
3. Step 3: Cross multiply
   611,362x = 1,438,510 × 1,438,510
4. Step 4: Simplify right side
   611,362x = 2,069,311,020,100
5. Step 5: Solve for x
   x = 2,069,311,020,100/611,362
6. Step 6: Final answer
   x = 3,384,755.71