Finding the Third Proportional to 2,085,315 and 4,569,210

Step by Step Solution

1. Step 1: Write the proportion equation
   2,085,315 : 4,569,210 = 4,569,210 : x
2. Step 2: Convert to fraction form
   2,085,315/4,569,210 = 4,569,210/x
3. Step 3: Cross multiply
   2,085,315x = 4,569,210 × 4,569,210
4. Step 4: Simplify right side
   2,085,315x = 20,877,680,024,100
5. Step 5: Solve for x
   x = 20,877,680,024,100/2,085,315
6. Step 6: Final answer
   x = 10,011,763.22