Finding the Third Proportional to 1,681,176 and 3,648,120

Step by Step Solution

1. Step 1: Write the proportion equation
   1,681,176 : 3,648,120 = 3,648,120 : x
2. Step 2: Convert to fraction form
   1,681,176/3,648,120 = 3,648,120/x
3. Step 3: Cross multiply
   1,681,176x = 3,648,120 × 3,648,120
4. Step 4: Simplify right side
   1,681,176x = 13,308,779,534,400
5. Step 5: Solve for x
   x = 13,308,779,534,400/1,681,176
6. Step 6: Final answer
   x = 7,916,351.13