Finding the Third Proportional to 739,540 and 1,056,820

Step by Step Solution

1. Step 1: Write the proportion equation
   739,540 : 1,056,820 = 1,056,820 : x
2. Step 2: Convert to fraction form
   739,540/1,056,820 = 1,056,820/x
3. Step 3: Cross multiply
   739,540x = 1,056,820 × 1,056,820
4. Step 4: Simplify right side
   739,540x = 1,116,868,512,400
5. Step 5: Solve for x
   x = 1,116,868,512,400/739,540
6. Step 6: Final answer
   x = 1,510,220.56