Finding the Third Proportional to 562,369 and 803,620.75

Step by Step Solution

1. Step 1: Write the proportion equation
   562,369 : 803,620.75 = 803,620.75 : x
2. Step 2: Convert to fraction form
   562,369/803,620.75 = 803,620.75/x
3. Step 3: Cross multiply
   562,369x = 803,620.75 × 803,620.75
4. Step 4: Simplify right side
   562,369x = 645,806,309,830.56
5. Step 5: Solve for x
   x = 645,806,309,830.56/562,369
6. Step 6: Final answer
   x = 1,148,367.55