Finding the Third Proportional to 651,240 and 1,388,502

Step by Step Solution

1. Step 1: Write the proportion equation
   651,240 : 1,388,502 = 1,388,502 : x
2. Step 2: Convert to fraction form
   651,240/1,388,502 = 1,388,502/x
3. Step 3: Cross multiply
   651,240x = 1,388,502 × 1,388,502
4. Step 4: Simplify right side
   651,240x = 1,927,937,804,004
5. Step 5: Solve for x
   x = 1,927,937,804,004/651,240
6. Step 6: Final answer
   x = 2,960,410.61