Finding the Third Proportional to 1,829,168 and 3,939,280

Step by Step Solution

1. Step 1: Write the proportion equation
   1,829,168 : 3,939,280 = 3,939,280 : x
2. Step 2: Convert to fraction form
   1,829,168/3,939,280 = 3,939,280/x
3. Step 3: Cross multiply
   1,829,168x = 3,939,280 × 3,939,280
4. Step 4: Simplify right side
   1,829,168x = 15,517,926,918,400
5. Step 5: Solve for x
   x = 15,517,926,918,400/1,829,168
6. Step 6: Final answer
   x = 8,483,598.51