Finding the Third Proportional to 1,334,640 and 2,068,309.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,334,640 : 2,068,309.50 = 2,068,309.50 : x
2. Step 2: Convert to fraction form
   1,334,640/2,068,309.50 = 2,068,309.50/x
3. Step 3: Cross multiply
   1,334,640x = 2,068,309.50 × 2,068,309.50
4. Step 4: Simplify right side
   1,334,640x = 4,277,904,187,790.25
5. Step 5: Solve for x
   x = 4,277,904,187,790.25/1,334,640
6. Step 6: Final answer
   x = 3,205,286.96