Finding the Third Proportional to 368,031 and 553,873.50

Step by Step Solution

1. Step 1: Write the proportion equation
   368,031 : 553,873.50 = 553,873.50 : x
2. Step 2: Convert to fraction form
   368,031/553,873.50 = 553,873.50/x
3. Step 3: Cross multiply
   368,031x = 553,873.50 × 553,873.50
4. Step 4: Simplify right side
   368,031x = 306,775,854,002.25
5. Step 5: Solve for x
   x = 306,775,854,002.25/368,031
6. Step 6: Final answer
   x = 833,559.82