Finding the Third Proportional to 3,218,034 and 4,771,389

Step by Step Solution

1. Step 1: Write the proportion equation
   3,218,034 : 4,771,389 = 4,771,389 : x
2. Step 2: Convert to fraction form
   3,218,034/4,771,389 = 4,771,389/x
3. Step 3: Cross multiply
   3,218,034x = 4,771,389 × 4,771,389
4. Step 4: Simplify right side
   3,218,034x = 22,766,152,989,321
5. Step 5: Solve for x
   x = 22,766,152,989,321/3,218,034
6. Step 6: Final answer
   x = 7,074,553.28