Finding the Third Proportional to 457,861.50 and 994,515

Step by Step Solution

1. Step 1: Write the proportion equation
   457,861.50 : 994,515 = 994,515 : x
2. Step 2: Convert to fraction form
   457,861.50/994,515 = 994,515/x
3. Step 3: Cross multiply
   457,861.50x = 994,515 × 994,515
4. Step 4: Simplify right side
   457,861.50x = 989,060,085,225
5. Step 5: Solve for x
   x = 989,060,085,225/457,861.50
6. Step 6: Final answer
   x = 2,160,173.08