Finding the Third Proportional to 451,600.50 and 619,242

Step by Step Solution

1. Step 1: Write the proportion equation
   451,600.50 : 619,242 = 619,242 : x
2. Step 2: Convert to fraction form
   451,600.50/619,242 = 619,242/x
3. Step 3: Cross multiply
   451,600.50x = 619,242 × 619,242
4. Step 4: Simplify right side
   451,600.50x = 383,460,654,564
5. Step 5: Solve for x
   x = 383,460,654,564/451,600.50
6. Step 6: Final answer
   x = 849,114.77