Finding the Third Proportional to 359,065.50 and 546,057

Step by Step Solution

1. Step 1: Write the proportion equation
   359,065.50 : 546,057 = 546,057 : x
2. Step 2: Convert to fraction form
   359,065.50/546,057 = 546,057/x
3. Step 3: Cross multiply
   359,065.50x = 546,057 × 546,057
4. Step 4: Simplify right side
   359,065.50x = 298,178,247,249
5. Step 5: Solve for x
   x = 298,178,247,249/359,065.50
6. Step 6: Final answer
   x = 830,428.56