Finding the Third Proportional to 1,868,430 and 4,085,844

Step by Step Solution

1. Step 1: Write the proportion equation
   1,868,430 : 4,085,844 = 4,085,844 : x
2. Step 2: Convert to fraction form
   1,868,430/4,085,844 = 4,085,844/x
3. Step 3: Cross multiply
   1,868,430x = 4,085,844 × 4,085,844
4. Step 4: Simplify right side
   1,868,430x = 16,694,121,192,336
5. Step 5: Solve for x
   x = 16,694,121,192,336/1,868,430
6. Step 6: Final answer
   x = 8,934,838.98