Finding the Third Proportional to 178,740 and 250,005.50

Step by Step Solution

1. Step 1: Write the proportion equation
   178,740 : 250,005.50 = 250,005.50 : x
2. Step 2: Convert to fraction form
   178,740/250,005.50 = 250,005.50/x
3. Step 3: Cross multiply
   178,740x = 250,005.50 × 250,005.50
4. Step 4: Simplify right side
   178,740x = 62,502,750,030.25
5. Step 5: Solve for x
   x = 62,502,750,030.25/178,740
6. Step 6: Final answer
   x = 349,685.30