Finding the Third Proportional to 611,581.50 and 933,345

Step by Step Solution

1. Step 1: Write the proportion equation
   611,581.50 : 933,345 = 933,345 : x
2. Step 2: Convert to fraction form
   611,581.50/933,345 = 933,345/x
3. Step 3: Cross multiply
   611,581.50x = 933,345 × 933,345
4. Step 4: Simplify right side
   611,581.50x = 871,132,889,025
5. Step 5: Solve for x
   x = 871,132,889,025/611,581.50
6. Step 6: Final answer
   x = 1,424,393.79