Finding the Third Proportional to 149,505 and 231,730.50

Step by Step Solution

1. Step 1: Write the proportion equation
   149,505 : 231,730.50 = 231,730.50 : x
2. Step 2: Convert to fraction form
   149,505/231,730.50 = 231,730.50/x
3. Step 3: Cross multiply
   149,505x = 231,730.50 × 231,730.50
4. Step 4: Simplify right side
   149,505x = 53,699,024,630.25
5. Step 5: Solve for x
   x = 53,699,024,630.25/149,505
6. Step 6: Final answer
   x = 359,178.79