Finding the Third Proportional to 2,130,684 and 4,577,591

Step by Step Solution

1. Step 1: Write the proportion equation
   2,130,684 : 4,577,591 = 4,577,591 : x
2. Step 2: Convert to fraction form
   2,130,684/4,577,591 = 4,577,591/x
3. Step 3: Cross multiply
   2,130,684x = 4,577,591 × 4,577,591
4. Step 4: Simplify right side
   2,130,684x = 20,954,339,363,281
5. Step 5: Solve for x
   x = 20,954,339,363,281/2,130,684
6. Step 6: Final answer
   x = 9,834,559.87