Finding the Third Proportional to 160,686 and 349,892.50

Step by Step Solution

1. Step 1: Write the proportion equation
   160,686 : 349,892.50 = 349,892.50 : x
2. Step 2: Convert to fraction form
   160,686/349,892.50 = 349,892.50/x
3. Step 3: Cross multiply
   160,686x = 349,892.50 × 349,892.50
4. Step 4: Simplify right side
   160,686x = 122,424,761,556.25
5. Step 5: Solve for x
   x = 122,424,761,556.25/160,686
6. Step 6: Final answer
   x = 761,888.16