Finding the Third Proportional to 3,756,890 and 7,999,600

Step by Step Solution

1. Step 1: Write the proportion equation
   3,756,890 : 7,999,600 = 7,999,600 : x
2. Step 2: Convert to fraction form
   3,756,890/7,999,600 = 7,999,600/x
3. Step 3: Cross multiply
   3,756,890x = 7,999,600 × 7,999,600
4. Step 4: Simplify right side
   3,756,890x = 63,993,600,160,000
5. Step 5: Solve for x
   x = 63,993,600,160,000/3,756,890
6. Step 6: Final answer
   x = 17,033,663.52