Finding the Third Proportional to 1,363,218 and 2,116,750

Step by Step Solution

1. Step 1: Write the proportion equation
   1,363,218 : 2,116,750 = 2,116,750 : x
2. Step 2: Convert to fraction form
   1,363,218/2,116,750 = 2,116,750/x
3. Step 3: Cross multiply
   1,363,218x = 2,116,750 × 2,116,750
4. Step 4: Simplify right side
   1,363,218x = 4,480,630,562,500
5. Step 5: Solve for x
   x = 4,480,630,562,500/1,363,218
6. Step 6: Final answer
   x = 3,286,804.14