Finding the Third Proportional to 3,413,179 and 7,312,140

Step by Step Solution

1. Step 1: Write the proportion equation
   3,413,179 : 7,312,140 = 7,312,140 : x
2. Step 2: Convert to fraction form
   3,413,179/7,312,140 = 7,312,140/x
3. Step 3: Cross multiply
   3,413,179x = 7,312,140 × 7,312,140
4. Step 4: Simplify right side
   3,413,179x = 53,467,391,379,600
5. Step 5: Solve for x
   x = 53,467,391,379,600/3,413,179
6. Step 6: Final answer
   x = 15,664,983.11