Finding the Third Proportional to 78,000.47 and 168,443.30

Step by Step Solution

1. Step 1: Write the proportion equation
   78,000.47 : 168,443.30 = 168,443.30 : x
2. Step 2: Convert to fraction form
   78,000.47/168,443.30 = 168,443.30/x
3. Step 3: Cross multiply
   78,000.47x = 168,443.30 × 168,443.30
4. Step 4: Simplify right side
   78,000.47x = 28,373,144,262.12
5. Step 5: Solve for x
   x = 28,373,144,262.12/78,000.47
6. Step 6: Final answer
   x = 363,756.07