Finding the Third Proportional to 690,422 and 932,799

Step by Step Solution

1. Step 1: Write the proportion equation
   690,422 : 932,799 = 932,799 : x
2. Step 2: Convert to fraction form
   690,422/932,799 = 932,799/x
3. Step 3: Cross multiply
   690,422x = 932,799 × 932,799
4. Step 4: Simplify right side
   690,422x = 870,113,974,401
5. Step 5: Solve for x
   x = 870,113,974,401/690,422
6. Step 6: Final answer
   x = 1,260,263.98