Finding the Third Proportional to 580,932 and 912,870

Step by Step Solution

1. Step 1: Write the proportion equation
   580,932 : 912,870 = 912,870 : x
2. Step 2: Convert to fraction form
   580,932/912,870 = 912,870/x
3. Step 3: Cross multiply
   580,932x = 912,870 × 912,870
4. Step 4: Simplify right side
   580,932x = 833,331,636,900
5. Step 5: Solve for x
   x = 833,331,636,900/580,932
6. Step 6: Final answer
   x = 1,434,473.63