Finding the Third Proportional to 876,609 and 2,147,152.50

Step by Step Solution

1. Step 1: Write the proportion equation
   876,609 : 2,147,152.50 = 2,147,152.50 : x
2. Step 2: Convert to fraction form
   876,609/2,147,152.50 = 2,147,152.50/x
3. Step 3: Cross multiply
   876,609x = 2,147,152.50 × 2,147,152.50
4. Step 4: Simplify right side
   876,609x = 4,610,263,858,256.25
5. Step 5: Solve for x
   x = 4,610,263,858,256.25/876,609
6. Step 6: Final answer
   x = 5,259,202.06