Finding the Third Proportional to 1,916,506 and 3,889,328

Step by Step Solution

1. Step 1: Write the proportion equation
   1,916,506 : 3,889,328 = 3,889,328 : x
2. Step 2: Convert to fraction form
   1,916,506/3,889,328 = 3,889,328/x
3. Step 3: Cross multiply
   1,916,506x = 3,889,328 × 3,889,328
4. Step 4: Simplify right side
   1,916,506x = 15,126,872,291,584
5. Step 5: Solve for x
   x = 15,126,872,291,584/1,916,506
6. Step 6: Final answer
   x = 7,892,942.83