Finding the Third Proportional to 1,896,087 and 4,178,688

Step by Step Solution

1. Step 1: Write the proportion equation
   1,896,087 : 4,178,688 = 4,178,688 : x
2. Step 2: Convert to fraction form
   1,896,087/4,178,688 = 4,178,688/x
3. Step 3: Cross multiply
   1,896,087x = 4,178,688 × 4,178,688
4. Step 4: Simplify right side
   1,896,087x = 17,461,433,401,344
5. Step 5: Solve for x
   x = 17,461,433,401,344/1,896,087
6. Step 6: Final answer
   x = 9,209,194.20