Finding the Third Proportional to 562,305 and 899,338.50

Step by Step Solution

1. Step 1: Write the proportion equation
   562,305 : 899,338.50 = 899,338.50 : x
2. Step 2: Convert to fraction form
   562,305/899,338.50 = 899,338.50/x
3. Step 3: Cross multiply
   562,305x = 899,338.50 × 899,338.50
4. Step 4: Simplify right side
   562,305x = 808,809,737,582.25
5. Step 5: Solve for x
   x = 808,809,737,582.25/562,305
6. Step 6: Final answer
   x = 1,438,382.62