Finding the Third Proportional to 5,678,904 and 12,315,984

Step by Step Solution

1. Step 1: Write the proportion equation
   5,678,904 : 12,315,984 = 12,315,984 : x
2. Step 2: Convert to fraction form
   5,678,904/12,315,984 = 12,315,984/x
3. Step 3: Cross multiply
   5,678,904x = 12,315,984 × 12,315,984
4. Step 4: Simplify right side
   5,678,904x = 151,683,461,888,256
5. Step 5: Solve for x
   x = 151,683,461,888,256/5,678,904
6. Step 6: Final answer
   x = 26,709,988.74