Finding the Third Proportional to 123,903 and 196,933.50

Step by Step Solution

1. Step 1: Write the proportion equation
   123,903 : 196,933.50 = 196,933.50 : x
2. Step 2: Convert to fraction form
   123,903/196,933.50 = 196,933.50/x
3. Step 3: Cross multiply
   123,903x = 196,933.50 × 196,933.50
4. Step 4: Simplify right side
   123,903x = 38,782,803,422.25
5. Step 5: Solve for x
   x = 38,782,803,422.25/123,903
6. Step 6: Final answer
   x = 313,009.40