Finding the Third Proportional to 160,618.50 and 349,848

Step by Step Solution

1. Step 1: Write the proportion equation
   160,618.50 : 349,848 = 349,848 : x
2. Step 2: Convert to fraction form
   160,618.50/349,848 = 349,848/x
3. Step 3: Cross multiply
   160,618.50x = 349,848 × 349,848
4. Step 4: Simplify right side
   160,618.50x = 122,393,623,104
5. Step 5: Solve for x
   x = 122,393,623,104/160,618.50
6. Step 6: Final answer
   x = 762,014.48