Finding the Third Proportional to 938,980 and 1,994,312

Step by Step Solution

1. Step 1: Write the proportion equation
   938,980 : 1,994,312 = 1,994,312 : x
2. Step 2: Convert to fraction form
   938,980/1,994,312 = 1,994,312/x
3. Step 3: Cross multiply
   938,980x = 1,994,312 × 1,994,312
4. Step 4: Simplify right side
   938,980x = 3,977,280,353,344
5. Step 5: Solve for x
   x = 3,977,280,353,344/938,980
6. Step 6: Final answer
   x = 4,235,745.55