Finding the Third Proportional to 149,521 and 222,985.50

Step by Step Solution

1. Step 1: Write the proportion equation
   149,521 : 222,985.50 = 222,985.50 : x
2. Step 2: Convert to fraction form
   149,521/222,985.50 = 222,985.50/x
3. Step 3: Cross multiply
   149,521x = 222,985.50 × 222,985.50
4. Step 4: Simplify right side
   149,521x = 49,722,533,210.25
5. Step 5: Solve for x
   x = 49,722,533,210.25/149,521
6. Step 6: Final answer
   x = 332,545.48