Finding the Third Proportional to 5,877,408 and 9,078,139

Step by Step Solution

1. Step 1: Write the proportion equation
   5,877,408 : 9,078,139 = 9,078,139 : x
2. Step 2: Convert to fraction form
   5,877,408/9,078,139 = 9,078,139/x
3. Step 3: Cross multiply
   5,877,408x = 9,078,139 × 9,078,139
4. Step 4: Simplify right side
   5,877,408x = 82,412,607,703,321
5. Step 5: Solve for x
   x = 82,412,607,703,321/5,877,408
6. Step 6: Final answer
   x = 14,021,930.71