Finding the Third Proportional to 722,236 and 1,123,566

Step by Step Solution

1. Step 1: Write the proportion equation
   722,236 : 1,123,566 = 1,123,566 : x
2. Step 2: Convert to fraction form
   722,236/1,123,566 = 1,123,566/x
3. Step 3: Cross multiply
   722,236x = 1,123,566 × 1,123,566
4. Step 4: Simplify right side
   722,236x = 1,262,400,556,356
5. Step 5: Solve for x
   x = 1,262,400,556,356/722,236
6. Step 6: Final answer
   x = 1,747,905.89