Finding the Third Proportional to 188,457 and 410,134.50

Step by Step Solution

1. Step 1: Write the proportion equation
   188,457 : 410,134.50 = 410,134.50 : x
2. Step 2: Convert to fraction form
   188,457/410,134.50 = 410,134.50/x
3. Step 3: Cross multiply
   188,457x = 410,134.50 × 410,134.50
4. Step 4: Simplify right side
   188,457x = 168,210,308,090.25
5. Step 5: Solve for x
   x = 168,210,308,090.25/188,457
6. Step 6: Final answer
   x = 892,565.99