Finding the Third Proportional to 791,640 and 1,610,928

Step by Step Solution

1. Step 1: Write the proportion equation
   791,640 : 1,610,928 = 1,610,928 : x
2. Step 2: Convert to fraction form
   791,640/1,610,928 = 1,610,928/x
3. Step 3: Cross multiply
   791,640x = 1,610,928 × 1,610,928
4. Step 4: Simplify right side
   791,640x = 2,595,089,021,184
5. Step 5: Solve for x
   x = 2,595,089,021,184/791,640
6. Step 6: Final answer
   x = 3,278,117.61