Finding the Third Proportional to 120,901.50 and 187,024.88

Step by Step Solution

1. Step 1: Write the proportion equation
   120,901.50 : 187,024.88 = 187,024.88 : x
2. Step 2: Convert to fraction form
   120,901.50/187,024.88 = 187,024.88/x
3. Step 3: Cross multiply
   120,901.50x = 187,024.88 × 187,024.88
4. Step 4: Simplify right side
   120,901.50x = 34,978,303,868.77
5. Step 5: Solve for x
   x = 34,978,303,868.77/120,901.50
6. Step 6: Final answer
   x = 289,312.41