Finding the Third Proportional to 157,248 and 209,500.50

Step by Step Solution

1. Step 1: Write the proportion equation
   157,248 : 209,500.50 = 209,500.50 : x
2. Step 2: Convert to fraction form
   157,248/209,500.50 = 209,500.50/x
3. Step 3: Cross multiply
   157,248x = 209,500.50 × 209,500.50
4. Step 4: Simplify right side
   157,248x = 43,890,459,500.25
5. Step 5: Solve for x
   x = 43,890,459,500.25/157,248
6. Step 6: Final answer
   x = 279,116.17