Finding the Third Proportional to 4,284,484 and 8,924,072

Step by Step Solution

1. Step 1: Write the proportion equation
   4,284,484 : 8,924,072 = 8,924,072 : x
2. Step 2: Convert to fraction form
   4,284,484/8,924,072 = 8,924,072/x
3. Step 3: Cross multiply
   4,284,484x = 8,924,072 × 8,924,072
4. Step 4: Simplify right side
   4,284,484x = 79,639,061,061,184
5. Step 5: Solve for x
   x = 79,639,061,061,184/4,284,484
6. Step 6: Final answer
   x = 18,587,783.51