Finding the Third Proportional to 485,466 and 1,056,148

Step by Step Solution

1. Step 1: Write the proportion equation
   485,466 : 1,056,148 = 1,056,148 : x
2. Step 2: Convert to fraction form
   485,466/1,056,148 = 1,056,148/x
3. Step 3: Cross multiply
   485,466x = 1,056,148 × 1,056,148
4. Step 4: Simplify right side
   485,466x = 1,115,448,597,904
5. Step 5: Solve for x
   x = 1,115,448,597,904/485,466
6. Step 6: Final answer
   x = 2,297,686.34