Finding the Third Proportional to 2,116,820 and 4,506,745

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116,820 : 4,506,745 = 4,506,745 : x
2. Step 2: Convert to fraction form
   2,116,820/4,506,745 = 4,506,745/x
3. Step 3: Cross multiply
   2,116,820x = 4,506,745 × 4,506,745
4. Step 4: Simplify right side
   2,116,820x = 20,310,750,495,025
5. Step 5: Solve for x
   x = 20,310,750,495,025/2,116,820
6. Step 6: Final answer
   x = 9,594,935.09