Finding the Third Proportional to 798,888 and 1,123,688

Step by Step Solution

1. Step 1: Write the proportion equation
   798,888 : 1,123,688 = 1,123,688 : x
2. Step 2: Convert to fraction form
   798,888/1,123,688 = 1,123,688/x
3. Step 3: Cross multiply
   798,888x = 1,123,688 × 1,123,688
4. Step 4: Simplify right side
   798,888x = 1,262,674,721,344
5. Step 5: Solve for x
   x = 1,262,674,721,344/798,888
6. Step 6: Final answer
   x = 1,580,540.35