Finding the Third Proportional to 619,381.69 and 947,587.78

Step by Step Solution

1. Step 1: Write the proportion equation
   619,381.69 : 947,587.78 = 947,587.78 : x
2. Step 2: Convert to fraction form
   619,381.69/947,587.78 = 947,587.78/x
3. Step 3: Cross multiply
   619,381.69x = 947,587.78 × 947,587.78
4. Step 4: Simplify right side
   619,381.69x = 897,922,603,174.30
5. Step 5: Solve for x
   x = 897,922,603,174.30/619,381.69
6. Step 6: Final answer
   x = 1,449,708.03