Finding the Third Proportional to 344,088 and 809,665.88

Step by Step Solution

1. Step 1: Write the proportion equation
   344,088 : 809,665.88 = 809,665.88 : x
2. Step 2: Convert to fraction form
   344,088/809,665.88 = 809,665.88/x
3. Step 3: Cross multiply
   344,088x = 809,665.88 × 809,665.88
4. Step 4: Simplify right side
   344,088x = 655,558,829,139.52
5. Step 5: Solve for x
   x = 655,558,829,139.52/344,088
6. Step 6: Final answer
   x = 1,905,206.89