Finding the Third Proportional to 1,027,128 and 2,290,296

Step by Step Solution

1. Step 1: Write the proportion equation
   1,027,128 : 2,290,296 = 2,290,296 : x
2. Step 2: Convert to fraction form
   1,027,128/2,290,296 = 2,290,296/x
3. Step 3: Cross multiply
   1,027,128x = 2,290,296 × 2,290,296
4. Step 4: Simplify right side
   1,027,128x = 5,245,455,767,616
5. Step 5: Solve for x
   x = 5,245,455,767,616/1,027,128
6. Step 6: Final answer
   x = 5,106,915.37