Finding the Third Proportional to 2,131,112 and 4,565,488

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131,112 : 4,565,488 = 4,565,488 : x
2. Step 2: Convert to fraction form
   2,131,112/4,565,488 = 4,565,488/x
3. Step 3: Cross multiply
   2,131,112x = 4,565,488 × 4,565,488
4. Step 4: Simplify right side
   2,131,112x = 20,843,680,678,144
5. Step 5: Solve for x
   x = 20,843,680,678,144/2,131,112
6. Step 6: Final answer
   x = 9,780,659.43