Finding the Third Proportional to 869,955 and 1,910,121

Step by Step Solution

1. Step 1: Write the proportion equation
   869,955 : 1,910,121 = 1,910,121 : x
2. Step 2: Convert to fraction form
   869,955/1,910,121 = 1,910,121/x
3. Step 3: Cross multiply
   869,955x = 1,910,121 × 1,910,121
4. Step 4: Simplify right side
   869,955x = 3,648,562,234,641
5. Step 5: Solve for x
   x = 3,648,562,234,641/869,955
6. Step 6: Final answer
   x = 4,193,966.62