Finding the Third Proportional to 106,582.50 and 153,981

Step by Step Solution

1. Step 1: Write the proportion equation
   106,582.50 : 153,981 = 153,981 : x
2. Step 2: Convert to fraction form
   106,582.50/153,981 = 153,981/x
3. Step 3: Cross multiply
   106,582.50x = 153,981 × 153,981
4. Step 4: Simplify right side
   106,582.50x = 23,710,148,361
5. Step 5: Solve for x
   x = 23,710,148,361/106,582.50
6. Step 6: Final answer
   x = 222,458.17