Finding the Third Proportional to 153,192 and 228,870

Step by Step Solution

1. Step 1: Write the proportion equation
   153,192 : 228,870 = 228,870 : x
2. Step 2: Convert to fraction form
   153,192/228,870 = 228,870/x
3. Step 3: Cross multiply
   153,192x = 228,870 × 228,870
4. Step 4: Simplify right side
   153,192x = 52,381,476,900
5. Step 5: Solve for x
   x = 52,381,476,900/153,192
6. Step 6: Final answer
   x = 341,933.50