Finding the Third Proportional to 705,448 and 1,059,780

Step by Step Solution

1. Step 1: Write the proportion equation
   705,448 : 1,059,780 = 1,059,780 : x
2. Step 2: Convert to fraction form
   705,448/1,059,780 = 1,059,780/x
3. Step 3: Cross multiply
   705,448x = 1,059,780 × 1,059,780
4. Step 4: Simplify right side
   705,448x = 1,123,133,648,400
5. Step 5: Solve for x
   x = 1,123,133,648,400/705,448
6. Step 6: Final answer
   x = 1,592,085.67