Finding the Third Proportional to 105,157.50 and 228,060

Step by Step Solution

1. Step 1: Write the proportion equation
   105,157.50 : 228,060 = 228,060 : x
2. Step 2: Convert to fraction form
   105,157.50/228,060 = 228,060/x
3. Step 3: Cross multiply
   105,157.50x = 228,060 × 228,060
4. Step 4: Simplify right side
   105,157.50x = 52,011,363,600
5. Step 5: Solve for x
   x = 52,011,363,600/105,157.50
6. Step 6: Final answer
   x = 494,604.41