Finding the Third Proportional to 141,366 and 212,353.50

Step by Step Solution

1. Step 1: Write the proportion equation
   141,366 : 212,353.50 = 212,353.50 : x
2. Step 2: Convert to fraction form
   141,366/212,353.50 = 212,353.50/x
3. Step 3: Cross multiply
   141,366x = 212,353.50 × 212,353.50
4. Step 4: Simplify right side
   141,366x = 45,094,008,962.25
5. Step 5: Solve for x
   x = 45,094,008,962.25/141,366
6. Step 6: Final answer
   x = 318,987.66