Finding the Third Proportional to 461,848.50 and 690,930

Step by Step Solution

1. Step 1: Write the proportion equation
   461,848.50 : 690,930 = 690,930 : x
2. Step 2: Convert to fraction form
   461,848.50/690,930 = 690,930/x
3. Step 3: Cross multiply
   461,848.50x = 690,930 × 690,930
4. Step 4: Simplify right side
   461,848.50x = 477,384,264,900
5. Step 5: Solve for x
   x = 477,384,264,900/461,848.50
6. Step 6: Final answer
   x = 1,033,638.23