Finding the Third Proportional to 302,415 and 444,862.50

Step by Step Solution

1. Step 1: Write the proportion equation
   302,415 : 444,862.50 = 444,862.50 : x
2. Step 2: Convert to fraction form
   302,415/444,862.50 = 444,862.50/x
3. Step 3: Cross multiply
   302,415x = 444,862.50 × 444,862.50
4. Step 4: Simplify right side
   302,415x = 197,902,643,906.25
5. Step 5: Solve for x
   x = 197,902,643,906.25/302,415
6. Step 6: Final answer
   x = 654,407.50