Finding the Third Proportional to 196,462.50 and 300,331.50

Step by Step Solution

1. Step 1: Write the proportion equation
   196,462.50 : 300,331.50 = 300,331.50 : x
2. Step 2: Convert to fraction form
   196,462.50/300,331.50 = 300,331.50/x
3. Step 3: Cross multiply
   196,462.50x = 300,331.50 × 300,331.50
4. Step 4: Simplify right side
   196,462.50x = 90,199,009,892.25
5. Step 5: Solve for x
   x = 90,199,009,892.25/196,462.50
6. Step 6: Final answer
   x = 459,115.66