Finding the Third Proportional to 122,607 and 187,474.50

Step by Step Solution

1. Step 1: Write the proportion equation
   122,607 : 187,474.50 = 187,474.50 : x
2. Step 2: Convert to fraction form
   122,607/187,474.50 = 187,474.50/x
3. Step 3: Cross multiply
   122,607x = 187,474.50 × 187,474.50
4. Step 4: Simplify right side
   122,607x = 35,146,688,150.25
5. Step 5: Solve for x
   x = 35,146,688,150.25/122,607
6. Step 6: Final answer
   x = 286,661.35