Finding the Third Proportional to 619,380 and 947,584.50

Step by Step Solution

1. Step 1: Write the proportion equation
   619,380 : 947,584.50 = 947,584.50 : x
2. Step 2: Convert to fraction form
   619,380/947,584.50 = 947,584.50/x
3. Step 3: Cross multiply
   619,380x = 947,584.50 × 947,584.50
4. Step 4: Simplify right side
   619,380x = 897,916,384,640.25
5. Step 5: Solve for x
   x = 897,916,384,640.25/619,380
6. Step 6: Final answer
   x = 1,449,701.94