Finding the Third Proportional to 3,379,830 and 7,515,316

Step by Step Solution

1. Step 1: Write the proportion equation
   3,379,830 : 7,515,316 = 7,515,316 : x
2. Step 2: Convert to fraction form
   3,379,830/7,515,316 = 7,515,316/x
3. Step 3: Cross multiply
   3,379,830x = 7,515,316 × 7,515,316
4. Step 4: Simplify right side
   3,379,830x = 56,479,974,579,856
5. Step 5: Solve for x
   x = 56,479,974,579,856/3,379,830
6. Step 6: Final answer
   x = 16,710,892.14