Finding the Third Proportional to 3,209,064 and 7,047,912

Step by Step Solution

1. Step 1: Write the proportion equation
   3,209,064 : 7,047,912 = 7,047,912 : x
2. Step 2: Convert to fraction form
   3,209,064/7,047,912 = 7,047,912/x
3. Step 3: Cross multiply
   3,209,064x = 7,047,912 × 7,047,912
4. Step 4: Simplify right side
   3,209,064x = 49,673,063,559,744
5. Step 5: Solve for x
   x = 49,673,063,559,744/3,209,064
6. Step 6: Final answer
   x = 15,478,988.13