Finding the Third Proportional to 731,288 and 1,116,372

Step by Step Solution

1. Step 1: Write the proportion equation
   731,288 : 1,116,372 = 1,116,372 : x
2. Step 2: Convert to fraction form
   731,288/1,116,372 = 1,116,372/x
3. Step 3: Cross multiply
   731,288x = 1,116,372 × 1,116,372
4. Step 4: Simplify right side
   731,288x = 1,246,286,442,384
5. Step 5: Solve for x
   x = 1,246,286,442,384/731,288
6. Step 6: Final answer
   x = 1,704,234.78