Finding the Third Proportional to 1,119,112 and 1,688,020

Step by Step Solution

1. Step 1: Write the proportion equation
   1,119,112 : 1,688,020 = 1,688,020 : x
2. Step 2: Convert to fraction form
   1,119,112/1,688,020 = 1,688,020/x
3. Step 3: Cross multiply
   1,119,112x = 1,688,020 × 1,688,020
4. Step 4: Simplify right side
   1,119,112x = 2,849,411,520,400
5. Step 5: Solve for x
   x = 2,849,411,520,400/1,119,112
6. Step 6: Final answer
   x = 2,546,136.15