Finding the Third Proportional to 1,916,507 and 3,889,330

Step by Step Solution

1. Step 1: Write the proportion equation
   1,916,507 : 3,889,330 = 3,889,330 : x
2. Step 2: Convert to fraction form
   1,916,507/3,889,330 = 3,889,330/x
3. Step 3: Cross multiply
   1,916,507x = 3,889,330 × 3,889,330
4. Step 4: Simplify right side
   1,916,507x = 15,126,887,848,900
5. Step 5: Solve for x
   x = 15,126,887,848,900/1,916,507
6. Step 6: Final answer
   x = 7,892,946.83