Finding the Third Proportional to 3,778,020 and 5,678,102

Step by Step Solution

1. Step 1: Write the proportion equation
   3,778,020 : 5,678,102 = 5,678,102 : x
2. Step 2: Convert to fraction form
   3,778,020/5,678,102 = 5,678,102/x
3. Step 3: Cross multiply
   3,778,020x = 5,678,102 × 5,678,102
4. Step 4: Simplify right side
   3,778,020x = 32,240,842,322,404
5. Step 5: Solve for x
   x = 32,240,842,322,404/3,778,020
6. Step 6: Final answer
   x = 8,533,793.45