Finding the Third Proportional to 190,977.75 and 402,867

Step by Step Solution

1. Step 1: Write the proportion equation
   190,977.75 : 402,867 = 402,867 : x
2. Step 2: Convert to fraction form
   190,977.75/402,867 = 402,867/x
3. Step 3: Cross multiply
   190,977.75x = 402,867 × 402,867
4. Step 4: Simplify right side
   190,977.75x = 162,301,819,689
5. Step 5: Solve for x
   x = 162,301,819,689/190,977.75
6. Step 6: Final answer
   x = 849,846.75