Finding the Third Proportional to 45,711 and 99,738

Step by Step Solution

1. Step 1: Write the proportion equation
   45,711 : 99,738 = 99,738 : x
2. Step 2: Convert to fraction form
   45,711/99,738 = 99,738/x
3. Step 3: Cross multiply
   45,711x = 99,738 × 99,738
4. Step 4: Simplify right side
   45,711x = 9,947,668,644
5. Step 5: Solve for x
   x = 9,947,668,644/45,711
6. Step 6: Final answer
   x = 217,620.89