Finding the Third Proportional to 141,836 and 215,700

Step by Step Solution

1. Step 1: Write the proportion equation
   141,836 : 215,700 = 215,700 : x
2. Step 2: Convert to fraction form
   141,836/215,700 = 215,700/x
3. Step 3: Cross multiply
   141,836x = 215,700 × 215,700
4. Step 4: Simplify right side
   141,836x = 46,526,490,000
5. Step 5: Solve for x
   x = 46,526,490,000/141,836
6. Step 6: Final answer
   x = 328,030.19