Finding the Third Proportional to 71,111.67 and 155,345.34

Step by Step Solution

1. Step 1: Write the proportion equation
   71,111.67 : 155,345.34 = 155,345.34 : x
2. Step 2: Convert to fraction form
   71,111.67/155,345.34 = 155,345.34/x
3. Step 3: Cross multiply
   71,111.67x = 155,345.34 × 155,345.34
4. Step 4: Simplify right side
   71,111.67x = 24,132,175,824.81
5. Step 5: Solve for x
   x = 24,132,175,824.81/71,111.67
6. Step 6: Final answer
   x = 339,356.05