Finding the Third Proportional to 171,801.50 and 348,436

Step by Step Solution

1. Step 1: Write the proportion equation
   171,801.50 : 348,436 = 348,436 : x
2. Step 2: Convert to fraction form
   171,801.50/348,436 = 348,436/x
3. Step 3: Cross multiply
   171,801.50x = 348,436 × 348,436
4. Step 4: Simplify right side
   171,801.50x = 121,407,646,096
5. Step 5: Solve for x
   x = 121,407,646,096/171,801.50
6. Step 6: Final answer
   x = 706,673.96