Finding the Third Proportional to 622,680 and 1,360,724

Step by Step Solution

1. Step 1: Write the proportion equation
   622,680 : 1,360,724 = 1,360,724 : x
2. Step 2: Convert to fraction form
   622,680/1,360,724 = 1,360,724/x
3. Step 3: Cross multiply
   622,680x = 1,360,724 × 1,360,724
4. Step 4: Simplify right side
   622,680x = 1,851,569,804,176
5. Step 5: Solve for x
   x = 1,851,569,804,176/622,680
6. Step 6: Final answer
   x = 2,973,549.50