Finding the Third Proportional to 705,600 and 1,059,990

Step by Step Solution

1. Step 1: Write the proportion equation
   705,600 : 1,059,990 = 1,059,990 : x
2. Step 2: Convert to fraction form
   705,600/1,059,990 = 1,059,990/x
3. Step 3: Cross multiply
   705,600x = 1,059,990 × 1,059,990
4. Step 4: Simplify right side
   705,600x = 1,123,578,800,100
5. Step 5: Solve for x
   x = 1,123,578,800,100/705,600
6. Step 6: Final answer
   x = 1,592,373.58