Finding the Third Proportional to 985,752 and 2,118,720

Step by Step Solution

1. Step 1: Write the proportion equation
   985,752 : 2,118,720 = 2,118,720 : x
2. Step 2: Convert to fraction form
   985,752/2,118,720 = 2,118,720/x
3. Step 3: Cross multiply
   985,752x = 2,118,720 × 2,118,720
4. Step 4: Simplify right side
   985,752x = 4,488,974,438,400
5. Step 5: Solve for x
   x = 4,488,974,438,400/985,752
6. Step 6: Final answer
   x = 4,553,857.80