Finding the Third Proportional to 111,527 and 228,490

Step by Step Solution

1. Step 1: Write the proportion equation
   111,527 : 228,490 = 228,490 : x
2. Step 2: Convert to fraction form
   111,527/228,490 = 228,490/x
3. Step 3: Cross multiply
   111,527x = 228,490 × 228,490
4. Step 4: Simplify right side
   111,527x = 52,207,680,100
5. Step 5: Solve for x
   x = 52,207,680,100/111,527
6. Step 6: Final answer
   x = 468,116.96