Finding the Third Proportional to 231,636 and 348,010.50

Step by Step Solution

1. Step 1: Write the proportion equation
   231,636 : 348,010.50 = 348,010.50 : x
2. Step 2: Convert to fraction form
   231,636/348,010.50 = 348,010.50/x
3. Step 3: Cross multiply
   231,636x = 348,010.50 × 348,010.50
4. Step 4: Simplify right side
   231,636x = 121,111,308,110.25
5. Step 5: Solve for x
   x = 121,111,308,110.25/231,636
6. Step 6: Final answer
   x = 522,851.84