Finding the Third Proportional to 602,300 and 880,788

Step by Step Solution

1. Step 1: Write the proportion equation
   602,300 : 880,788 = 880,788 : x
2. Step 2: Convert to fraction form
   602,300/880,788 = 880,788/x
3. Step 3: Cross multiply
   602,300x = 880,788 × 880,788
4. Step 4: Simplify right side
   602,300x = 775,787,500,944
5. Step 5: Solve for x
   x = 775,787,500,944/602,300
6. Step 6: Final answer
   x = 1,288,041.68