Finding the Third Proportional to 161,762.91 and 340,254

Step by Step Solution

1. Step 1: Write the proportion equation
   161,762.91 : 340,254 = 340,254 : x
2. Step 2: Convert to fraction form
   161,762.91/340,254 = 340,254/x
3. Step 3: Cross multiply
   161,762.91x = 340,254 × 340,254
4. Step 4: Simplify right side
   161,762.91x = 115,772,784,516
5. Step 5: Solve for x
   x = 115,772,784,516/161,762.91
6. Step 6: Final answer
   x = 715,694.27