Finding the Third Proportional to 725,120 and 1,019,316

Step by Step Solution

1. Step 1: Write the proportion equation
   725,120 : 1,019,316 = 1,019,316 : x
2. Step 2: Convert to fraction form
   725,120/1,019,316 = 1,019,316/x
3. Step 3: Cross multiply
   725,120x = 1,019,316 × 1,019,316
4. Step 4: Simplify right side
   725,120x = 1,039,005,107,856
5. Step 5: Solve for x
   x = 1,039,005,107,856/725,120
6. Step 6: Final answer
   x = 1,432,873.33