Finding the Third Proportional to 338,313 and 801,475.50

Step by Step Solution

1. Step 1: Write the proportion equation
   338,313 : 801,475.50 = 801,475.50 : x
2. Step 2: Convert to fraction form
   338,313/801,475.50 = 801,475.50/x
3. Step 3: Cross multiply
   338,313x = 801,475.50 × 801,475.50
4. Step 4: Simplify right side
   338,313x = 642,362,977,100.25
5. Step 5: Solve for x
   x = 642,362,977,100.25/338,313
6. Step 6: Final answer
   x = 1,898,723.90