Finding the Third Proportional to 755,520 and 1,140,558

Step by Step Solution

1. Step 1: Write the proportion equation
   755,520 : 1,140,558 = 1,140,558 : x
2. Step 2: Convert to fraction form
   755,520/1,140,558 = 1,140,558/x
3. Step 3: Cross multiply
   755,520x = 1,140,558 × 1,140,558
4. Step 4: Simplify right side
   755,520x = 1,300,872,551,364
5. Step 5: Solve for x
   x = 1,300,872,551,364/755,520
6. Step 6: Final answer
   x = 1,721,824.11