Finding the Third Proportional to 301,072.50 and 465,100.50

Step by Step Solution

1. Step 1: Write the proportion equation
   301,072.50 : 465,100.50 = 465,100.50 : x
2. Step 2: Convert to fraction form
   301,072.50/465,100.50 = 465,100.50/x
3. Step 3: Cross multiply
   301,072.50x = 465,100.50 × 465,100.50
4. Step 4: Simplify right side
   301,072.50x = 216,318,475,100.25
5. Step 5: Solve for x
   x = 216,318,475,100.25/301,072.50
6. Step 6: Final answer
   x = 718,492.97