Finding the Third Proportional to 1,248,123 and 2,695,128

Step by Step Solution

1. Step 1: Write the proportion equation
   1,248,123 : 2,695,128 = 2,695,128 : x
2. Step 2: Convert to fraction form
   1,248,123/2,695,128 = 2,695,128/x
3. Step 3: Cross multiply
   1,248,123x = 2,695,128 × 2,695,128
4. Step 4: Simplify right side
   1,248,123x = 7,263,714,936,384
5. Step 5: Solve for x
   x = 7,263,714,936,384/1,248,123
6. Step 6: Final answer
   x = 5,819,710.83