Finding the Third Proportional to 155,422.50 and 184,128

Step by Step Solution

1. Step 1: Write the proportion equation
   155,422.50 : 184,128 = 184,128 : x
2. Step 2: Convert to fraction form
   155,422.50/184,128 = 184,128/x
3. Step 3: Cross multiply
   155,422.50x = 184,128 × 184,128
4. Step 4: Simplify right side
   155,422.50x = 33,903,120,384
5. Step 5: Solve for x
   x = 33,903,120,384/155,422.50
6. Step 6: Final answer
   x = 218,135.21