Finding the Third Proportional to 734,548 and 1,123,553

Step by Step Solution

1. Step 1: Write the proportion equation
   734,548 : 1,123,553 = 1,123,553 : x
2. Step 2: Convert to fraction form
   734,548/1,123,553 = 1,123,553/x
3. Step 3: Cross multiply
   734,548x = 1,123,553 × 1,123,553
4. Step 4: Simplify right side
   734,548x = 1,262,371,343,809
5. Step 5: Solve for x
   x = 1,262,371,343,809/734,548
6. Step 6: Final answer
   x = 1,718,568.89