Finding the Third Proportional to 191,445 and 274,025.25

Step by Step Solution

1. Step 1: Write the proportion equation
   191,445 : 274,025.25 = 274,025.25 : x
2. Step 2: Convert to fraction form
   191,445/274,025.25 = 274,025.25/x
3. Step 3: Cross multiply
   191,445x = 274,025.25 × 274,025.25
4. Step 4: Simplify right side
   191,445x = 75,089,837,637.56
5. Step 5: Solve for x
   x = 75,089,837,637.56/191,445
6. Step 6: Final answer
   x = 392,226.68