Finding the Third Proportional to 1,931,714 and 4,222,420

Step by Step Solution

1. Step 1: Write the proportion equation
   1,931,714 : 4,222,420 = 4,222,420 : x
2. Step 2: Convert to fraction form
   1,931,714/4,222,420 = 4,222,420/x
3. Step 3: Cross multiply
   1,931,714x = 4,222,420 × 4,222,420
4. Step 4: Simplify right side
   1,931,714x = 17,828,830,656,400
5. Step 5: Solve for x
   x = 17,828,830,656,400/1,931,714
6. Step 6: Final answer
   x = 9,229,539.50