Finding the Third Proportional to 865,680 and 1,293,673.50

Step by Step Solution

1. Step 1: Write the proportion equation
   865,680 : 1,293,673.50 = 1,293,673.50 : x
2. Step 2: Convert to fraction form
   865,680/1,293,673.50 = 1,293,673.50/x
3. Step 3: Cross multiply
   865,680x = 1,293,673.50 × 1,293,673.50
4. Step 4: Simplify right side
   865,680x = 1,673,591,124,602.25
5. Step 5: Solve for x
   x = 1,673,591,124,602.25/865,680
6. Step 6: Final answer
   x = 1,933,267.63