Finding the Third Proportional to 1,889,968 and 2,918,520

Step by Step Solution

1. Step 1: Write the proportion equation
   1,889,968 : 2,918,520 = 2,918,520 : x
2. Step 2: Convert to fraction form
   1,889,968/2,918,520 = 2,918,520/x
3. Step 3: Cross multiply
   1,889,968x = 2,918,520 × 2,918,520
4. Step 4: Simplify right side
   1,889,968x = 8,517,758,990,400
5. Step 5: Solve for x
   x = 8,517,758,990,400/1,889,968
6. Step 6: Final answer
   x = 4,506,827.09