Finding the Third Proportional to 1,402,040 and 2,100,672

Step by Step Solution

1. Step 1: Write the proportion equation
   1,402,040 : 2,100,672 = 2,100,672 : x
2. Step 2: Convert to fraction form
   1,402,040/2,100,672 = 2,100,672/x
3. Step 3: Cross multiply
   1,402,040x = 2,100,672 × 2,100,672
4. Step 4: Simplify right side
   1,402,040x = 4,412,822,851,584
5. Step 5: Solve for x
   x = 4,412,822,851,584/1,402,040
6. Step 6: Final answer
   x = 3,147,430.07