Finding the Third Proportional to 699,847 and 1,049,581.50

Step by Step Solution

1. Step 1: Write the proportion equation
   699,847 : 1,049,581.50 = 1,049,581.50 : x
2. Step 2: Convert to fraction form
   699,847/1,049,581.50 = 1,049,581.50/x
3. Step 3: Cross multiply
   699,847x = 1,049,581.50 × 1,049,581.50
4. Step 4: Simplify right side
   699,847x = 1,101,621,325,142.25
5. Step 5: Solve for x
   x = 1,101,621,325,142.25/699,847
6. Step 6: Final answer
   x = 1,574,088.80