Finding the Third Proportional to 562,620 and 803,971.50

Step by Step Solution

1. Step 1: Write the proportion equation
   562,620 : 803,971.50 = 803,971.50 : x
2. Step 2: Convert to fraction form
   562,620/803,971.50 = 803,971.50/x
3. Step 3: Cross multiply
   562,620x = 803,971.50 × 803,971.50
4. Step 4: Simplify right side
   562,620x = 646,370,172,812.25
5. Step 5: Solve for x
   x = 646,370,172,812.25/562,620
6. Step 6: Final answer
   x = 1,148,857.44