Finding the Third Proportional to 155,622 and 243,868.50

Step by Step Solution

1. Step 1: Write the proportion equation
   155,622 : 243,868.50 = 243,868.50 : x
2. Step 2: Convert to fraction form
   155,622/243,868.50 = 243,868.50/x
3. Step 3: Cross multiply
   155,622x = 243,868.50 × 243,868.50
4. Step 4: Simplify right side
   155,622x = 59,471,845,292.25
5. Step 5: Solve for x
   x = 59,471,845,292.25/155,622
6. Step 6: Final answer
   x = 382,155.77