Finding the Third Proportional to 1,986,249 and 4,210,830

Step by Step Solution

1. Step 1: Write the proportion equation
   1,986,249 : 4,210,830 = 4,210,830 : x
2. Step 2: Convert to fraction form
   1,986,249/4,210,830 = 4,210,830/x
3. Step 3: Cross multiply
   1,986,249x = 4,210,830 × 4,210,830
4. Step 4: Simplify right side
   1,986,249x = 17,731,089,288,900
5. Step 5: Solve for x
   x = 17,731,089,288,900/1,986,249
6. Step 6: Final answer
   x = 8,926,921.69