Finding the Third Proportional to 705,580.50 and 1,059,959.25

Step by Step Solution

1. Step 1: Write the proportion equation
   705,580.50 : 1,059,959.25 = 1,059,959.25 : x
2. Step 2: Convert to fraction form
   705,580.50/1,059,959.25 = 1,059,959.25/x
3. Step 3: Cross multiply
   705,580.50x = 1,059,959.25 × 1,059,959.25
4. Step 4: Simplify right side
   705,580.50x = 1,123,513,611,660.56
5. Step 5: Solve for x
   x = 1,123,513,611,660.56/705,580.50
6. Step 6: Final answer
   x = 1,592,325.20