Finding the Third Proportional to 160,483.50 and 338,869.69

Step by Step Solution

1. Step 1: Write the proportion equation
   160,483.50 : 338,869.69 = 338,869.69 : x
2. Step 2: Convert to fraction form
   160,483.50/338,869.69 = 338,869.69/x
3. Step 3: Cross multiply
   160,483.50x = 338,869.69 × 338,869.69
4. Step 4: Simplify right side
   160,483.50x = 114,832,665,106.35
5. Step 5: Solve for x
   x = 114,832,665,106.35/160,483.50
6. Step 6: Final answer
   x = 715,541.88