Finding the Third Proportional to 331,846.50 and 780,043.50

Step by Step Solution

1. Step 1: Write the proportion equation
   331,846.50 : 780,043.50 = 780,043.50 : x
2. Step 2: Convert to fraction form
   331,846.50/780,043.50 = 780,043.50/x
3. Step 3: Cross multiply
   331,846.50x = 780,043.50 × 780,043.50
4. Step 4: Simplify right side
   331,846.50x = 608,467,861,892.25
5. Step 5: Solve for x
   x = 608,467,861,892.25/331,846.50
6. Step 6: Final answer
   x = 1,833,582.28