Finding the Third Proportional to 685,152 and 1,043,904

Step by Step Solution

1. Step 1: Write the proportion equation
   685,152 : 1,043,904 = 1,043,904 : x
2. Step 2: Convert to fraction form
   685,152/1,043,904 = 1,043,904/x
3. Step 3: Cross multiply
   685,152x = 1,043,904 × 1,043,904
4. Step 4: Simplify right side
   685,152x = 1,089,735,561,216
5. Step 5: Solve for x
   x = 1,089,735,561,216/685,152
6. Step 6: Final answer
   x = 1,590,501.91