Finding the Third Proportional to 1,908,813 and 4,116,516

Step by Step Solution

1. Step 1: Write the proportion equation
   1,908,813 : 4,116,516 = 4,116,516 : x
2. Step 2: Convert to fraction form
   1,908,813/4,116,516 = 4,116,516/x
3. Step 3: Cross multiply
   1,908,813x = 4,116,516 × 4,116,516
4. Step 4: Simplify right side
   1,908,813x = 16,945,703,978,256
5. Step 5: Solve for x
   x = 16,945,703,978,256/1,908,813
6. Step 6: Final answer
   x = 8,877,613.46