Finding the Third Proportional to 230,345.50 and 348,740

Step by Step Solution

1. Step 1: Write the proportion equation
   230,345.50 : 348,740 = 348,740 : x
2. Step 2: Convert to fraction form
   230,345.50/348,740 = 348,740/x
3. Step 3: Cross multiply
   230,345.50x = 348,740 × 348,740
4. Step 4: Simplify right side
   230,345.50x = 121,619,587,600
5. Step 5: Solve for x
   x = 121,619,587,600/230,345.50
6. Step 6: Final answer
   x = 527,987.69