Finding the Third Proportional to 122,484 and 189,274.50

Step by Step Solution

1. Step 1: Write the proportion equation
   122,484 : 189,274.50 = 189,274.50 : x
2. Step 2: Convert to fraction form
   122,484/189,274.50 = 189,274.50/x
3. Step 3: Cross multiply
   122,484x = 189,274.50 × 189,274.50
4. Step 4: Simplify right side
   122,484x = 35,824,836,350.25
5. Step 5: Solve for x
   x = 35,824,836,350.25/122,484
6. Step 6: Final answer
   x = 292,485.85