Finding the Third Proportional to 199,155 and 298,948.50

Step by Step Solution

1. Step 1: Write the proportion equation
   199,155 : 298,948.50 = 298,948.50 : x
2. Step 2: Convert to fraction form
   199,155/298,948.50 = 298,948.50/x
3. Step 3: Cross multiply
   199,155x = 298,948.50 × 298,948.50
4. Step 4: Simplify right side
   199,155x = 89,370,205,652.25
5. Step 5: Solve for x
   x = 89,370,205,652.25/199,155
6. Step 6: Final answer
   x = 448,746.98