Finding the Third Proportional to 798,889 and 1,123,692

Step by Step Solution

1. Step 1: Write the proportion equation
   798,889 : 1,123,692 = 1,123,692 : x
2. Step 2: Convert to fraction form
   798,889/1,123,692 = 1,123,692/x
3. Step 3: Cross multiply
   798,889x = 1,123,692 × 1,123,692
4. Step 4: Simplify right side
   798,889x = 1,262,683,710,864
5. Step 5: Solve for x
   x = 1,262,683,710,864/798,889
6. Step 6: Final answer
   x = 1,580,549.63