Finding the Third Proportional to 131,058 and 200,407.50

Step by Step Solution

1. Step 1: Write the proportion equation
   131,058 : 200,407.50 = 200,407.50 : x
2. Step 2: Convert to fraction form
   131,058/200,407.50 = 200,407.50/x
3. Step 3: Cross multiply
   131,058x = 200,407.50 × 200,407.50
4. Step 4: Simplify right side
   131,058x = 40,163,166,056.25
5. Step 5: Solve for x
   x = 40,163,166,056.25/131,058
6. Step 6: Final answer
   x = 306,453.37