Finding the Third Proportional to 1,877,642 and 4,054,580

Step by Step Solution

1. Step 1: Write the proportion equation
   1,877,642 : 4,054,580 = 4,054,580 : x
2. Step 2: Convert to fraction form
   1,877,642/4,054,580 = 4,054,580/x
3. Step 3: Cross multiply
   1,877,642x = 4,054,580 × 4,054,580
4. Step 4: Simplify right side
   1,877,642x = 16,439,618,976,400
5. Step 5: Solve for x
   x = 16,439,618,976,400/1,877,642
6. Step 6: Final answer
   x = 8,755,459.76