Finding the Third Proportional to 731,904 and 1,142,123

Step by Step Solution

1. Step 1: Write the proportion equation
   731,904 : 1,142,123 = 1,142,123 : x
2. Step 2: Convert to fraction form
   731,904/1,142,123 = 1,142,123/x
3. Step 3: Cross multiply
   731,904x = 1,142,123 × 1,142,123
4. Step 4: Simplify right side
   731,904x = 1,304,444,947,129
5. Step 5: Solve for x
   x = 1,304,444,947,129/731,904
6. Step 6: Final answer
   x = 1,782,262.36