Finding the Third Proportional to 338,386 and 476,100.50

Step by Step Solution

1. Step 1: Write the proportion equation
   338,386 : 476,100.50 = 476,100.50 : x
2. Step 2: Convert to fraction form
   338,386/476,100.50 = 476,100.50/x
3. Step 3: Cross multiply
   338,386x = 476,100.50 × 476,100.50
4. Step 4: Simplify right side
   338,386x = 226,671,686,100.25
5. Step 5: Solve for x
   x = 226,671,686,100.25/338,386
6. Step 6: Final answer
   x = 669,861.30