Finding the Third Proportional to 153,249 and 230,080.50

Step by Step Solution

1. Step 1: Write the proportion equation
   153,249 : 230,080.50 = 230,080.50 : x
2. Step 2: Convert to fraction form
   153,249/230,080.50 = 230,080.50/x
3. Step 3: Cross multiply
   153,249x = 230,080.50 × 230,080.50
4. Step 4: Simplify right side
   153,249x = 52,937,036,480.25
5. Step 5: Solve for x
   x = 52,937,036,480.25/153,249
6. Step 6: Final answer
   x = 345,431.53