Finding the Third Proportional to 423,508.50 and 930,978

Step by Step Solution

1. Step 1: Write the proportion equation
   423,508.50 : 930,978 = 930,978 : x
2. Step 2: Convert to fraction form
   423,508.50/930,978 = 930,978/x
3. Step 3: Cross multiply
   423,508.50x = 930,978 × 930,978
4. Step 4: Simplify right side
   423,508.50x = 866,720,036,484
5. Step 5: Solve for x
   x = 866,720,036,484/423,508.50
6. Step 6: Final answer
   x = 2,046,523.36