Finding the Third Proportional to 140,022 and 217,066.50

Step by Step Solution

1. Step 1: Write the proportion equation
   140,022 : 217,066.50 = 217,066.50 : x
2. Step 2: Convert to fraction form
   140,022/217,066.50 = 217,066.50/x
3. Step 3: Cross multiply
   140,022x = 217,066.50 × 217,066.50
4. Step 4: Simplify right side
   140,022x = 47,117,865,422.25
5. Step 5: Solve for x
   x = 47,117,865,422.25/140,022
6. Step 6: Final answer
   x = 336,503.30