Finding the Third Proportional to 155,416.50 and 236,164.50

Step by Step Solution

1. Step 1: Write the proportion equation
   155,416.50 : 236,164.50 = 236,164.50 : x
2. Step 2: Convert to fraction form
   155,416.50/236,164.50 = 236,164.50/x
3. Step 3: Cross multiply
   155,416.50x = 236,164.50 × 236,164.50
4. Step 4: Simplify right side
   155,416.50x = 55,773,671,060.25
5. Step 5: Solve for x
   x = 55,773,671,060.25/155,416.50
6. Step 6: Final answer
   x = 358,865.83