Finding the Third Proportional to 141,802 and 212,703.50

Step by Step Solution

1. Step 1: Write the proportion equation
   141,802 : 212,703.50 = 212,703.50 : x
2. Step 2: Convert to fraction form
   141,802/212,703.50 = 212,703.50/x
3. Step 3: Cross multiply
   141,802x = 212,703.50 × 212,703.50
4. Step 4: Simplify right side
   141,802x = 45,242,778,912.25
5. Step 5: Solve for x
   x = 45,242,778,912.25/141,802
6. Step 6: Final answer
   x = 319,056.00