Finding the Third Proportional to 115,848 and 253,840.50

Step by Step Solution

1. Step 1: Write the proportion equation
   115,848 : 253,840.50 = 253,840.50 : x
2. Step 2: Convert to fraction form
   115,848/253,840.50 = 253,840.50/x
3. Step 3: Cross multiply
   115,848x = 253,840.50 × 253,840.50
4. Step 4: Simplify right side
   115,848x = 64,434,999,440.25
5. Step 5: Solve for x
   x = 64,434,999,440.25/115,848
6. Step 6: Final answer
   x = 556,202.95