Finding the Third Proportional to 1,980,820 and 4,340,237

Step by Step Solution

1. Step 1: Write the proportion equation
   1,980,820 : 4,340,237 = 4,340,237 : x
2. Step 2: Convert to fraction form
   1,980,820/4,340,237 = 4,340,237/x
3. Step 3: Cross multiply
   1,980,820x = 4,340,237 × 4,340,237
4. Step 4: Simplify right side
   1,980,820x = 18,837,657,216,169
5. Step 5: Solve for x
   x = 18,837,657,216,169/1,980,820
6. Step 6: Final answer
   x = 9,510,029.79