Finding the Third Proportional to 435,595.50 and 659,961

Step by Step Solution

1. Step 1: Write the proportion equation
   435,595.50 : 659,961 = 659,961 : x
2. Step 2: Convert to fraction form
   435,595.50/659,961 = 659,961/x
3. Step 3: Cross multiply
   435,595.50x = 659,961 × 659,961
4. Step 4: Simplify right side
   435,595.50x = 435,548,521,521
5. Step 5: Solve for x
   x = 435,548,521,521/435,595.50
6. Step 6: Final answer
   x = 999,892.15