Finding the Third Proportional to 3,670,159 and 5,643,778

Step by Step Solution

1. Step 1: Write the proportion equation
   3,670,159 : 5,643,778 = 5,643,778 : x
2. Step 2: Convert to fraction form
   3,670,159/5,643,778 = 5,643,778/x
3. Step 3: Cross multiply
   3,670,159x = 5,643,778 × 5,643,778
4. Step 4: Simplify right side
   3,670,159x = 31,852,230,113,284
5. Step 5: Solve for x
   x = 31,852,230,113,284/3,670,159
6. Step 6: Final answer
   x = 8,678,705.78