Finding the Third Proportional to 1,178,109 and 1,813,500

Step by Step Solution

1. Step 1: Write the proportion equation
   1,178,109 : 1,813,500 = 1,813,500 : x
2. Step 2: Convert to fraction form
   1,178,109/1,813,500 = 1,813,500/x
3. Step 3: Cross multiply
   1,178,109x = 1,813,500 × 1,813,500
4. Step 4: Simplify right side
   1,178,109x = 3,288,782,250,000
5. Step 5: Solve for x
   x = 3,288,782,250,000/1,178,109
6. Step 6: Final answer
   x = 2,791,577.22