Finding the Third Proportional to 73,643.63 and 112,605.56

Step by Step Solution

1. Step 1: Write the proportion equation
   73,643.63 : 112,605.56 = 112,605.56 : x
2. Step 2: Convert to fraction form
   73,643.63/112,605.56 = 112,605.56/x
3. Step 3: Cross multiply
   73,643.63x = 112,605.56 × 112,605.56
4. Step 4: Simplify right side
   73,643.63x = 12,680,012,705.94
5. Step 5: Solve for x
   x = 12,680,012,705.94/73,643.63
6. Step 6: Final answer
   x = 172,180.72