Finding the Third Proportional to 722,692 and 1,526,780

Step by Step Solution

1. Step 1: Write the proportion equation
   722,692 : 1,526,780 = 1,526,780 : x
2. Step 2: Convert to fraction form
   722,692/1,526,780 = 1,526,780/x
3. Step 3: Cross multiply
   722,692x = 1,526,780 × 1,526,780
4. Step 4: Simplify right side
   722,692x = 2,331,057,168,400
5. Step 5: Solve for x
   x = 2,331,057,168,400/722,692
6. Step 6: Final answer
   x = 3,225,519.54