Finding the Third Proportional to 252,231 and 368,647.50

Step by Step Solution

1. Step 1: Write the proportion equation
   252,231 : 368,647.50 = 368,647.50 : x
2. Step 2: Convert to fraction form
   252,231/368,647.50 = 368,647.50/x
3. Step 3: Cross multiply
   252,231x = 368,647.50 × 368,647.50
4. Step 4: Simplify right side
   252,231x = 135,900,979,256.25
5. Step 5: Solve for x
   x = 135,900,979,256.25/252,231
6. Step 6: Final answer
   x = 538,795.70