Finding the Third Proportional to 142,932 and 210,118

Step by Step Solution

1. Step 1: Write the proportion equation
   142,932 : 210,118 = 210,118 : x
2. Step 2: Convert to fraction form
   142,932/210,118 = 210,118/x
3. Step 3: Cross multiply
   142,932x = 210,118 × 210,118
4. Step 4: Simplify right side
   142,932x = 44,149,573,924
5. Step 5: Solve for x
   x = 44,149,573,924/142,932
6. Step 6: Final answer
   x = 308,885.16