Finding the Third Proportional to 123,916.50 and 196,947

Step by Step Solution

1. Step 1: Write the proportion equation
   123,916.50 : 196,947 = 196,947 : x
2. Step 2: Convert to fraction form
   123,916.50/196,947 = 196,947/x
3. Step 3: Cross multiply
   123,916.50x = 196,947 × 196,947
4. Step 4: Simplify right side
   123,916.50x = 38,788,120,809
5. Step 5: Solve for x
   x = 38,788,120,809/123,916.50
6. Step 6: Final answer
   x = 313,018.21