Finding the Third Proportional to 684,621 and 1,464,222

Step by Step Solution

1. Step 1: Write the proportion equation
   684,621 : 1,464,222 = 1,464,222 : x
2. Step 2: Convert to fraction form
   684,621/1,464,222 = 1,464,222/x
3. Step 3: Cross multiply
   684,621x = 1,464,222 × 1,464,222
4. Step 4: Simplify right side
   684,621x = 2,143,946,065,284
5. Step 5: Solve for x
   x = 2,143,946,065,284/684,621
6. Step 6: Final answer
   x = 3,131,580.93