Finding the Third Proportional to 1,129,446 and 2,202,138

Step by Step Solution

1. Step 1: Write the proportion equation
   1,129,446 : 2,202,138 = 2,202,138 : x
2. Step 2: Convert to fraction form
   1,129,446/2,202,138 = 2,202,138/x
3. Step 3: Cross multiply
   1,129,446x = 2,202,138 × 2,202,138
4. Step 4: Simplify right side
   1,129,446x = 4,849,411,771,044
5. Step 5: Solve for x
   x = 4,849,411,771,044/1,129,446
6. Step 6: Final answer
   x = 4,293,619.86