Finding the Third Proportional to 998,616 and 2,137,200

Step by Step Solution

1. Step 1: Write the proportion equation
   998,616 : 2,137,200 = 2,137,200 : x
2. Step 2: Convert to fraction form
   998,616/2,137,200 = 2,137,200/x
3. Step 3: Cross multiply
   998,616x = 2,137,200 × 2,137,200
4. Step 4: Simplify right side
   998,616x = 4,567,623,840,000
5. Step 5: Solve for x
   x = 4,567,623,840,000/998,616
6. Step 6: Final answer
   x = 4,573,954.19