Finding the Third Proportional to 1,375,191 and 2,986,830

Step by Step Solution

1. Step 1: Write the proportion equation
   1,375,191 : 2,986,830 = 2,986,830 : x
2. Step 2: Convert to fraction form
   1,375,191/2,986,830 = 2,986,830/x
3. Step 3: Cross multiply
   1,375,191x = 2,986,830 × 2,986,830
4. Step 4: Simplify right side
   1,375,191x = 8,921,153,448,900
5. Step 5: Solve for x
   x = 8,921,153,448,900/1,375,191
6. Step 6: Final answer
   x = 6,487,210.47