Finding the Third Proportional to 99,711 and 234,616.50

Step by Step Solution

1. Step 1: Write the proportion equation
   99,711 : 234,616.50 = 234,616.50 : x
2. Step 2: Convert to fraction form
   99,711/234,616.50 = 234,616.50/x
3. Step 3: Cross multiply
   99,711x = 234,616.50 × 234,616.50
4. Step 4: Simplify right side
   99,711x = 55,044,902,072.25
5. Step 5: Solve for x
   x = 55,044,902,072.25/99,711
6. Step 6: Final answer
   x = 552,044.43