Finding the Third Proportional to 301,672.50 and 445,468.50

Step by Step Solution

1. Step 1: Write the proportion equation
   301,672.50 : 445,468.50 = 445,468.50 : x
2. Step 2: Convert to fraction form
   301,672.50/445,468.50 = 445,468.50/x
3. Step 3: Cross multiply
   301,672.50x = 445,468.50 × 445,468.50
4. Step 4: Simplify right side
   301,672.50x = 198,442,184,492.25
5. Step 5: Solve for x
   x = 198,442,184,492.25/301,672.50
6. Step 6: Final answer
   x = 657,806.68