Finding the Third Proportional to 153,622 and 223,678.50

Step by Step Solution

1. Step 1: Write the proportion equation
   153,622 : 223,678.50 = 223,678.50 : x
2. Step 2: Convert to fraction form
   153,622/223,678.50 = 223,678.50/x
3. Step 3: Cross multiply
   153,622x = 223,678.50 × 223,678.50
4. Step 4: Simplify right side
   153,622x = 50,032,071,362.25
5. Step 5: Solve for x
   x = 50,032,071,362.25/153,622
6. Step 6: Final answer
   x = 325,682.98