Finding the Third Proportional to 160,003.50 and 350,139

Step by Step Solution

1. Step 1: Write the proportion equation
   160,003.50 : 350,139 = 350,139 : x
2. Step 2: Convert to fraction form
   160,003.50/350,139 = 350,139/x
3. Step 3: Cross multiply
   160,003.50x = 350,139 × 350,139
4. Step 4: Simplify right side
   160,003.50x = 122,597,319,321
5. Step 5: Solve for x
   x = 122,597,319,321/160,003.50
6. Step 6: Final answer
   x = 766,216.48