Finding the Third Proportional to 192,243 and 412,903.50

Step by Step Solution

1. Step 1: Write the proportion equation
   192,243 : 412,903.50 = 412,903.50 : x
2. Step 2: Convert to fraction form
   192,243/412,903.50 = 412,903.50/x
3. Step 3: Cross multiply
   192,243x = 412,903.50 × 412,903.50
4. Step 4: Simplify right side
   192,243x = 170,489,300,312.25
5. Step 5: Solve for x
   x = 170,489,300,312.25/192,243
6. Step 6: Final answer
   x = 886,842.70