Finding the Third Proportional to 978,505 and 1,984,520

Step by Step Solution

1. Step 1: Write the proportion equation
   978,505 : 1,984,520 = 1,984,520 : x
2. Step 2: Convert to fraction form
   978,505/1,984,520 = 1,984,520/x
3. Step 3: Cross multiply
   978,505x = 1,984,520 × 1,984,520
4. Step 4: Simplify right side
   978,505x = 3,938,319,630,400
5. Step 5: Solve for x
   x = 3,938,319,630,400/978,505
6. Step 6: Final answer
   x = 4,024,833.42