Finding the Third Proportional to 619,339.50 and 947,521.50

Step by Step Solution

1. Step 1: Write the proportion equation
   619,339.50 : 947,521.50 = 947,521.50 : x
2. Step 2: Convert to fraction form
   619,339.50/947,521.50 = 947,521.50/x
3. Step 3: Cross multiply
   619,339.50x = 947,521.50 × 947,521.50
4. Step 4: Simplify right side
   619,339.50x = 897,796,992,962.25
5. Step 5: Solve for x
   x = 897,796,992,962.25/619,339.50
6. Step 6: Final answer
   x = 1,449,603.96