Finding the Third Proportional to 694,162.50 and 1,048,640

Step by Step Solution

1. Step 1: Write the proportion equation
   694,162.50 : 1,048,640 = 1,048,640 : x
2. Step 2: Convert to fraction form
   694,162.50/1,048,640 = 1,048,640/x
3. Step 3: Cross multiply
   694,162.50x = 1,048,640 × 1,048,640
4. Step 4: Simplify right side
   694,162.50x = 1,099,645,849,600
5. Step 5: Solve for x
   x = 1,099,645,849,600/694,162.50
6. Step 6: Final answer
   x = 1,584,133.18