Finding the Third Proportional to 369,171 and 869,215.50

Step by Step Solution

1. Step 1: Write the proportion equation
   369,171 : 869,215.50 = 869,215.50 : x
2. Step 2: Convert to fraction form
   369,171/869,215.50 = 869,215.50/x
3. Step 3: Cross multiply
   369,171x = 869,215.50 × 869,215.50
4. Step 4: Simplify right side
   369,171x = 755,535,585,440.25
5. Step 5: Solve for x
   x = 755,535,585,440.25/369,171
6. Step 6: Final answer
   x = 2,046,573.50