Finding the Third Proportional to 690,528 and 932,960

Step by Step Solution

1. Step 1: Write the proportion equation
   690,528 : 932,960 = 932,960 : x
2. Step 2: Convert to fraction form
   690,528/932,960 = 932,960/x
3. Step 3: Cross multiply
   690,528x = 932,960 × 932,960
4. Step 4: Simplify right side
   690,528x = 870,414,361,600
5. Step 5: Solve for x
   x = 870,414,361,600/690,528
6. Step 6: Final answer
   x = 1,260,505.53