Finding the Third Proportional to 452,020.50 and 619,812

Step by Step Solution

1. Step 1: Write the proportion equation
   452,020.50 : 619,812 = 619,812 : x
2. Step 2: Convert to fraction form
   452,020.50/619,812 = 619,812/x
3. Step 3: Cross multiply
   452,020.50x = 619,812 × 619,812
4. Step 4: Simplify right side
   452,020.50x = 384,166,915,344
5. Step 5: Solve for x
   x = 384,166,915,344/452,020.50
6. Step 6: Final answer
   x = 849,888.26