Finding the Third Proportional to 2,154,893.50 and 3,213,656

Step by Step Solution

1. Step 1: Write the proportion equation
   2,154,893.50 : 3,213,656 = 3,213,656 : x
2. Step 2: Convert to fraction form
   2,154,893.50/3,213,656 = 3,213,656/x
3. Step 3: Cross multiply
   2,154,893.50x = 3,213,656 × 3,213,656
4. Step 4: Simplify right side
   2,154,893.50x = 10,327,584,886,336
5. Step 5: Solve for x
   x = 10,327,584,886,336/2,154,893.50
6. Step 6: Final answer
   x = 4,792,619.63