Finding the Third Proportional to 2,791,872 and 4,479,354

Step by Step Solution

1. Step 1: Write the proportion equation
   2,791,872 : 4,479,354 = 4,479,354 : x
2. Step 2: Convert to fraction form
   2,791,872/4,479,354 = 4,479,354/x
3. Step 3: Cross multiply
   2,791,872x = 4,479,354 × 4,479,354
4. Step 4: Simplify right side
   2,791,872x = 20,064,612,257,316
5. Step 5: Solve for x
   x = 20,064,612,257,316/2,791,872
6. Step 6: Final answer
   x = 7,186,795.19