Finding the Third Proportional to 2,218,360 and 4,772,970

Step by Step Solution

1. Step 1: Write the proportion equation
   2,218,360 : 4,772,970 = 4,772,970 : x
2. Step 2: Convert to fraction form
   2,218,360/4,772,970 = 4,772,970/x
3. Step 3: Cross multiply
   2,218,360x = 4,772,970 × 4,772,970
4. Step 4: Simplify right side
   2,218,360x = 22,781,242,620,900
5. Step 5: Solve for x
   x = 22,781,242,620,900/2,218,360
6. Step 6: Final answer
   x = 10,269,407.41