Finding the Third Proportional to 484,716 and 1,031,640

Step by Step Solution

1. Step 1: Write the proportion equation
   484,716 : 1,031,640 = 1,031,640 : x
2. Step 2: Convert to fraction form
   484,716/1,031,640 = 1,031,640/x
3. Step 3: Cross multiply
   484,716x = 1,031,640 × 1,031,640
4. Step 4: Simplify right side
   484,716x = 1,064,281,089,600
5. Step 5: Solve for x
   x = 1,064,281,089,600/484,716
6. Step 6: Final answer
   x = 2,195,679.72