Finding the Third Proportional to 3,886,186 and 5,434,384

Step by Step Solution

1. Step 1: Write the proportion equation
   3,886,186 : 5,434,384 = 5,434,384 : x
2. Step 2: Convert to fraction form
   3,886,186/5,434,384 = 5,434,384/x
3. Step 3: Cross multiply
   3,886,186x = 5,434,384 × 5,434,384
4. Step 4: Simplify right side
   3,886,186x = 29,532,529,459,456
5. Step 5: Solve for x
   x = 29,532,529,459,456/3,886,186
6. Step 6: Final answer
   x = 7,599,360.78