Finding the Third Proportional to 694,111.50 and 1,407,541.50

Step by Step Solution

1. Step 1: Write the proportion equation
   694,111.50 : 1,407,541.50 = 1,407,541.50 : x
2. Step 2: Convert to fraction form
   694,111.50/1,407,541.50 = 1,407,541.50/x
3. Step 3: Cross multiply
   694,111.50x = 1,407,541.50 × 1,407,541.50
4. Step 4: Simplify right side
   694,111.50x = 1,981,173,074,222.25
5. Step 5: Solve for x
   x = 1,981,173,074,222.25/694,111.50
6. Step 6: Final answer
   x = 2,854,257.67