Finding the Third Proportional to 103,924 and 231,621.50

Step by Step Solution

1. Step 1: Write the proportion equation
   103,924 : 231,621.50 = 231,621.50 : x
2. Step 2: Convert to fraction form
   103,924/231,621.50 = 231,621.50/x
3. Step 3: Cross multiply
   103,924x = 231,621.50 × 231,621.50
4. Step 4: Simplify right side
   103,924x = 53,648,519,262.25
5. Step 5: Solve for x
   x = 53,648,519,262.25/103,924
6. Step 6: Final answer
   x = 516,228.39