Finding the Third Proportional to 6,290,216 and 13,758,128

Step by Step Solution

1. Step 1: Write the proportion equation
   6,290,216 : 13,758,128 = 13,758,128 : x
2. Step 2: Convert to fraction form
   6,290,216/13,758,128 = 13,758,128/x
3. Step 3: Cross multiply
   6,290,216x = 13,758,128 × 13,758,128
4. Step 4: Simplify right side
   6,290,216x = 189,286,086,064,384
5. Step 5: Solve for x
   x = 189,286,086,064,384/6,290,216
6. Step 6: Final answer
   x = 30,092,144.06