Finding the Third Proportional to 1,908,786.38 and 4,116,456

Step by Step Solution

1. Step 1: Write the proportion equation
   1,908,786.38 : 4,116,456 = 4,116,456 : x
2. Step 2: Convert to fraction form
   1,908,786.38/4,116,456 = 4,116,456/x
3. Step 3: Cross multiply
   1,908,786.38x = 4,116,456 × 4,116,456
4. Step 4: Simplify right side
   1,908,786.38x = 16,945,209,999,936
5. Step 5: Solve for x
   x = 16,945,209,999,936/1,908,786.38
6. Step 6: Final answer
   x = 8,877,478.50