Finding the Third Proportional to 1,128,509 and 2,434,166

Step by Step Solution

1. Step 1: Write the proportion equation
   1,128,509 : 2,434,166 = 2,434,166 : x
2. Step 2: Convert to fraction form
   1,128,509/2,434,166 = 2,434,166/x
3. Step 3: Cross multiply
   1,128,509x = 2,434,166 × 2,434,166
4. Step 4: Simplify right side
   1,128,509x = 5,925,164,115,556
5. Step 5: Solve for x
   x = 5,925,164,115,556/1,128,509
6. Step 6: Final answer
   x = 5,250,435.85