Finding the Third Proportional to 199,015 and 301,402.50

Step by Step Solution

1. Step 1: Write the proportion equation
   199,015 : 301,402.50 = 301,402.50 : x
2. Step 2: Convert to fraction form
   199,015/301,402.50 = 301,402.50/x
3. Step 3: Cross multiply
   199,015x = 301,402.50 × 301,402.50
4. Step 4: Simplify right side
   199,015x = 90,843,467,006.25
5. Step 5: Solve for x
   x = 90,843,467,006.25/199,015
6. Step 6: Final answer
   x = 456,465.43