Finding the Third Proportional to 1,908,815 and 4,116,520

Step by Step Solution

1. Step 1: Write the proportion equation
   1,908,815 : 4,116,520 = 4,116,520 : x
2. Step 2: Convert to fraction form
   1,908,815/4,116,520 = 4,116,520/x
3. Step 3: Cross multiply
   1,908,815x = 4,116,520 × 4,116,520
4. Step 4: Simplify right side
   1,908,815x = 16,945,736,910,400
5. Step 5: Solve for x
   x = 16,945,736,910,400/1,908,815
6. Step 6: Final answer
   x = 8,877,621.41