Finding the Third Proportional to 82,925.25 and 178,864.50

Step by Step Solution

1. Step 1: Write the proportion equation
   82,925.25 : 178,864.50 = 178,864.50 : x
2. Step 2: Convert to fraction form
   82,925.25/178,864.50 = 178,864.50/x
3. Step 3: Cross multiply
   82,925.25x = 178,864.50 × 178,864.50
4. Step 4: Simplify right side
   82,925.25x = 31,992,509,360.25
5. Step 5: Solve for x
   x = 31,992,509,360.25/82,925.25
6. Step 6: Final answer
   x = 385,799.37