Finding the Third Proportional to 561,144 and 1,202,688

Step by Step Solution

1. Step 1: Write the proportion equation
   561,144 : 1,202,688 = 1,202,688 : x
2. Step 2: Convert to fraction form
   561,144/1,202,688 = 1,202,688/x
3. Step 3: Cross multiply
   561,144x = 1,202,688 × 1,202,688
4. Step 4: Simplify right side
   561,144x = 1,446,458,425,344
5. Step 5: Solve for x
   x = 1,446,458,425,344/561,144
6. Step 6: Final answer
   x = 2,577,695.61