Finding the Third Proportional to 619,578 and 947,176.50

Step by Step Solution

1. Step 1: Write the proportion equation
   619,578 : 947,176.50 = 947,176.50 : x
2. Step 2: Convert to fraction form
   619,578/947,176.50 = 947,176.50/x
3. Step 3: Cross multiply
   619,578x = 947,176.50 × 947,176.50
4. Step 4: Simplify right side
   619,578x = 897,143,322,152.25
5. Step 5: Solve for x
   x = 897,143,322,152.25/619,578
6. Step 6: Final answer
   x = 1,447,990.93