Finding the Third Proportional to 562,629.50 and 803,985

Step by Step Solution

1. Step 1: Write the proportion equation
   562,629.50 : 803,985 = 803,985 : x
2. Step 2: Convert to fraction form
   562,629.50/803,985 = 803,985/x
3. Step 3: Cross multiply
   562,629.50x = 803,985 × 803,985
4. Step 4: Simplify right side
   562,629.50x = 646,391,880,225
5. Step 5: Solve for x
   x = 646,391,880,225/562,629.50
6. Step 6: Final answer
   x = 1,148,876.62