Finding the Third Proportional to 1,217,390 and 1,899,783

Step by Step Solution

1. Step 1: Write the proportion equation
   1,217,390 : 1,899,783 = 1,899,783 : x
2. Step 2: Convert to fraction form
   1,217,390/1,899,783 = 1,899,783/x
3. Step 3: Cross multiply
   1,217,390x = 1,899,783 × 1,899,783
4. Step 4: Simplify right side
   1,217,390x = 3,609,175,447,089
5. Step 5: Solve for x
   x = 3,609,175,447,089/1,217,390
6. Step 6: Final answer
   x = 2,964,683.01