Finding the Third Proportional to 141,202 and 310,390.50

Step by Step Solution

1. Step 1: Write the proportion equation
   141,202 : 310,390.50 = 310,390.50 : x
2. Step 2: Convert to fraction form
   141,202/310,390.50 = 310,390.50/x
3. Step 3: Cross multiply
   141,202x = 310,390.50 × 310,390.50
4. Step 4: Simplify right side
   141,202x = 96,342,262,490.25
5. Step 5: Solve for x
   x = 96,342,262,490.25/141,202
6. Step 6: Final answer
   x = 682,300.98