Finding the Third Proportional to 155,973 and 223,048.50

Step by Step Solution

1. Step 1: Write the proportion equation
   155,973 : 223,048.50 = 223,048.50 : x
2. Step 2: Convert to fraction form
   155,973/223,048.50 = 223,048.50/x
3. Step 3: Cross multiply
   155,973x = 223,048.50 × 223,048.50
4. Step 4: Simplify right side
   155,973x = 49,750,633,352.25
5. Step 5: Solve for x
   x = 49,750,633,352.25/155,973
6. Step 6: Final answer
   x = 318,969.52