Finding the Third Proportional to 522,091.50 and 830,757

Step by Step Solution

1. Step 1: Write the proportion equation
   522,091.50 : 830,757 = 830,757 : x
2. Step 2: Convert to fraction form
   522,091.50/830,757 = 830,757/x
3. Step 3: Cross multiply
   522,091.50x = 830,757 × 830,757
4. Step 4: Simplify right side
   522,091.50x = 690,157,193,049
5. Step 5: Solve for x
   x = 690,157,193,049/522,091.50
6. Step 6: Final answer
   x = 1,321,908.50