Finding the Third Proportional to 160,488 and 248,368.50

Step by Step Solution

1. Step 1: Write the proportion equation
   160,488 : 248,368.50 = 248,368.50 : x
2. Step 2: Convert to fraction form
   160,488/248,368.50 = 248,368.50/x
3. Step 3: Cross multiply
   160,488x = 248,368.50 × 248,368.50
4. Step 4: Simplify right side
   160,488x = 61,686,911,792.25
5. Step 5: Solve for x
   x = 61,686,911,792.25/160,488
6. Step 6: Final answer
   x = 384,370.87