Finding the Third Proportional to 863,758.69 and 1,354,861.69

Step by Step Solution

1. Step 1: Write the proportion equation
   863,758.69 : 1,354,861.69 = 1,354,861.69 : x
2. Step 2: Convert to fraction form
   863,758.69/1,354,861.69 = 1,354,861.69/x
3. Step 3: Cross multiply
   863,758.69x = 1,354,861.69 × 1,354,861.69
4. Step 4: Simplify right side
   863,758.69x = 1,835,650,192,255.35
5. Step 5: Solve for x
   x = 1,835,650,192,255.35/863,758.69
6. Step 6: Final answer
   x = 2,125,188.69