Finding the Third Proportional to 681,523.88 and 1,069,200

Step by Step Solution

1. Step 1: Write the proportion equation
   681,523.88 : 1,069,200 = 1,069,200 : x
2. Step 2: Convert to fraction form
   681,523.88/1,069,200 = 1,069,200/x
3. Step 3: Cross multiply
   681,523.88x = 1,069,200 × 1,069,200
4. Step 4: Simplify right side
   681,523.88x = 1,143,188,640,000
5. Step 5: Solve for x
   x = 1,143,188,640,000/681,523.88
6. Step 6: Final answer
   x = 1,677,400.72