Finding the Third Proportional to 452,731 and 612,666

Step by Step Solution

1. Step 1: Write the proportion equation
   452,731 : 612,666 = 612,666 : x
2. Step 2: Convert to fraction form
   452,731/612,666 = 612,666/x
3. Step 3: Cross multiply
   452,731x = 612,666 × 612,666
4. Step 4: Simplify right side
   452,731x = 375,359,627,556
5. Step 5: Solve for x
   x = 375,359,627,556/452,731
6. Step 6: Final answer
   x = 829,100.79