Finding the Third Proportional to 662,458.50 and 1,050,709.50

Step by Step Solution

1. Step 1: Write the proportion equation
   662,458.50 : 1,050,709.50 = 1,050,709.50 : x
2. Step 2: Convert to fraction form
   662,458.50/1,050,709.50 = 1,050,709.50/x
3. Step 3: Cross multiply
   662,458.50x = 1,050,709.50 × 1,050,709.50
4. Step 4: Simplify right side
   662,458.50x = 1,103,990,453,390.25
5. Step 5: Solve for x
   x = 1,103,990,453,390.25/662,458.50
6. Step 6: Final answer
   x = 1,666,505.08