Finding the Third Proportional to 985,608 and 2,111,184

Step by Step Solution

1. Step 1: Write the proportion equation
   985,608 : 2,111,184 = 2,111,184 : x
2. Step 2: Convert to fraction form
   985,608/2,111,184 = 2,111,184/x
3. Step 3: Cross multiply
   985,608x = 2,111,184 × 2,111,184
4. Step 4: Simplify right side
   985,608x = 4,457,097,881,856
5. Step 5: Solve for x
   x = 4,457,097,881,856/985,608
6. Step 6: Final answer
   x = 4,522,181.11