Finding the Third Proportional to 155,003.63 and 339,070.43

Step by Step Solution

1. Step 1: Write the proportion equation
   155,003.63 : 339,070.43 = 339,070.43 : x
2. Step 2: Convert to fraction form
   155,003.63/339,070.43 = 339,070.43/x
3. Step 3: Cross multiply
   155,003.63x = 339,070.43 × 339,070.43
4. Step 4: Simplify right side
   155,003.63x = 114,968,756,288.47
5. Step 5: Solve for x
   x = 114,968,756,288.47/155,003.63
6. Step 6: Final answer
   x = 741,716.56