Finding the Third Proportional to 651,244 and 1,388,510

Step by Step Solution

1. Step 1: Write the proportion equation
   651,244 : 1,388,510 = 1,388,510 : x
2. Step 2: Convert to fraction form
   651,244/1,388,510 = 1,388,510/x
3. Step 3: Cross multiply
   651,244x = 1,388,510 × 1,388,510
4. Step 4: Simplify right side
   651,244x = 1,927,960,020,100
5. Step 5: Solve for x
   x = 1,927,960,020,100/651,244
6. Step 6: Final answer
   x = 2,960,426.54