Finding the Third Proportional to 719,862 and 1,117,521

Step by Step Solution

1. Step 1: Write the proportion equation
   719,862 : 1,117,521 = 1,117,521 : x
2. Step 2: Convert to fraction form
   719,862/1,117,521 = 1,117,521/x
3. Step 3: Cross multiply
   719,862x = 1,117,521 × 1,117,521
4. Step 4: Simplify right side
   719,862x = 1,248,853,185,441
5. Step 5: Solve for x
   x = 1,248,853,185,441/719,862
6. Step 6: Final answer
   x = 1,734,850.83