Finding the Third Proportional to 1,478,178 and 3,187,084

Step by Step Solution

1. Step 1: Write the proportion equation
   1,478,178 : 3,187,084 = 3,187,084 : x
2. Step 2: Convert to fraction form
   1,478,178/3,187,084 = 3,187,084/x
3. Step 3: Cross multiply
   1,478,178x = 3,187,084 × 3,187,084
4. Step 4: Simplify right side
   1,478,178x = 10,157,504,423,056
5. Step 5: Solve for x
   x = 10,157,504,423,056/1,478,178
6. Step 6: Final answer
   x = 6,871,638.21