Finding the Third Proportional to 2,066,688 and 4,459,520

Step by Step Solution

1. Step 1: Write the proportion equation
   2,066,688 : 4,459,520 = 4,459,520 : x
2. Step 2: Convert to fraction form
   2,066,688/4,459,520 = 4,459,520/x
3. Step 3: Cross multiply
   2,066,688x = 4,459,520 × 4,459,520
4. Step 4: Simplify right side
   2,066,688x = 19,887,318,630,400
5. Step 5: Solve for x
   x = 19,887,318,630,400/2,066,688
6. Step 6: Final answer
   x = 9,622,796.78