Finding the Third Proportional to 57,870 and 122,848.50

Step by Step Solution

1. Step 1: Write the proportion equation
   57,870 : 122,848.50 = 122,848.50 : x
2. Step 2: Convert to fraction form
   57,870/122,848.50 = 122,848.50/x
3. Step 3: Cross multiply
   57,870x = 122,848.50 × 122,848.50
4. Step 4: Simplify right side
   57,870x = 15,091,753,952.25
5. Step 5: Solve for x
   x = 15,091,753,952.25/57,870
6. Step 6: Final answer
   x = 260,787.18