Finding the Third Proportional to 984,796 and 2,142,138

Step by Step Solution

1. Step 1: Write the proportion equation
   984,796 : 2,142,138 = 2,142,138 : x
2. Step 2: Convert to fraction form
   984,796/2,142,138 = 2,142,138/x
3. Step 3: Cross multiply
   984,796x = 2,142,138 × 2,142,138
4. Step 4: Simplify right side
   984,796x = 4,588,755,211,044
5. Step 5: Solve for x
   x = 4,588,755,211,044/984,796
6. Step 6: Final answer
   x = 4,659,599.77