Finding the Third Proportional to 997,964 and 2,166,516

Step by Step Solution

1. Step 1: Write the proportion equation
   997,964 : 2,166,516 = 2,166,516 : x
2. Step 2: Convert to fraction form
   997,964/2,166,516 = 2,166,516/x
3. Step 3: Cross multiply
   997,964x = 2,166,516 × 2,166,516
4. Step 4: Simplify right side
   997,964x = 4,693,791,578,256
5. Step 5: Solve for x
   x = 4,693,791,578,256/997,964
6. Step 6: Final answer
   x = 4,703,367.63