Finding the Third Proportional to 2,178,624 and 4,787,304

Step by Step Solution

1. Step 1: Write the proportion equation
   2,178,624 : 4,787,304 = 4,787,304 : x
2. Step 2: Convert to fraction form
   2,178,624/4,787,304 = 4,787,304/x
3. Step 3: Cross multiply
   2,178,624x = 4,787,304 × 4,787,304
4. Step 4: Simplify right side
   2,178,624x = 22,918,279,588,416
5. Step 5: Solve for x
   x = 22,918,279,588,416/2,178,624
6. Step 6: Final answer
   x = 10,519,612.19