Finding the Third Proportional to 171,980.50 and 247,714.50

Step by Step Solution

1. Step 1: Write the proportion equation
   171,980.50 : 247,714.50 = 247,714.50 : x
2. Step 2: Convert to fraction form
   171,980.50/247,714.50 = 247,714.50/x
3. Step 3: Cross multiply
   171,980.50x = 247,714.50 × 247,714.50
4. Step 4: Simplify right side
   171,980.50x = 61,362,473,510.25
5. Step 5: Solve for x
   x = 61,362,473,510.25/171,980.50
6. Step 6: Final answer
   x = 356,799.02