Finding the Third Proportional to 1,403,040 and 3,030,276

Step by Step Solution

1. Step 1: Write the proportion equation
   1,403,040 : 3,030,276 = 3,030,276 : x
2. Step 2: Convert to fraction form
   1,403,040/3,030,276 = 3,030,276/x
3. Step 3: Cross multiply
   1,403,040x = 3,030,276 × 3,030,276
4. Step 4: Simplify right side
   1,403,040x = 9,182,572,636,176
5. Step 5: Solve for x
   x = 9,182,572,636,176/1,403,040
6. Step 6: Final answer
   x = 6,544,768.96