Finding the Third Proportional to 6,388,281 and 13,932,672

Step by Step Solution

1. Step 1: Write the proportion equation
   6,388,281 : 13,932,672 = 13,932,672 : x
2. Step 2: Convert to fraction form
   6,388,281/13,932,672 = 13,932,672/x
3. Step 3: Cross multiply
   6,388,281x = 13,932,672 × 13,932,672
4. Step 4: Simplify right side
   6,388,281x = 194,119,349,059,584
5. Step 5: Solve for x
   x = 194,119,349,059,584/6,388,281
6. Step 6: Final answer
   x = 30,386,789.35