Finding the Third Proportional to 998,646 and 2,137,260

Step by Step Solution

1. Step 1: Write the proportion equation
   998,646 : 2,137,260 = 2,137,260 : x
2. Step 2: Convert to fraction form
   998,646/2,137,260 = 2,137,260/x
3. Step 3: Cross multiply
   998,646x = 2,137,260 × 2,137,260
4. Step 4: Simplify right side
   998,646x = 4,567,880,307,600
5. Step 5: Solve for x
   x = 4,567,880,307,600/998,646
6. Step 6: Final answer
   x = 4,574,073.60