Finding the Third Proportional to 739,512 and 1,056,780

Step by Step Solution

1. Step 1: Write the proportion equation
   739,512 : 1,056,780 = 1,056,780 : x
2. Step 2: Convert to fraction form
   739,512/1,056,780 = 1,056,780/x
3. Step 3: Cross multiply
   739,512x = 1,056,780 × 1,056,780
4. Step 4: Simplify right side
   739,512x = 1,116,783,968,400
5. Step 5: Solve for x
   x = 1,116,783,968,400/739,512
6. Step 6: Final answer
   x = 1,510,163.42