Finding the Third Proportional to 111,111.75 and 162,492.75

Step by Step Solution

1. Step 1: Write the proportion equation
   111,111.75 : 162,492.75 = 162,492.75 : x
2. Step 2: Convert to fraction form
   111,111.75/162,492.75 = 162,492.75/x
3. Step 3: Cross multiply
   111,111.75x = 162,492.75 × 162,492.75
4. Step 4: Simplify right side
   111,111.75x = 26,403,893,802.56
5. Step 5: Solve for x
   x = 26,403,893,802.56/111,111.75
6. Step 6: Final answer
   x = 237,633.68