Finding the Third Proportional to 740,914.50 and 1,178,238

Step by Step Solution

1. Step 1: Write the proportion equation
   740,914.50 : 1,178,238 = 1,178,238 : x
2. Step 2: Convert to fraction form
   740,914.50/1,178,238 = 1,178,238/x
3. Step 3: Cross multiply
   740,914.50x = 1,178,238 × 1,178,238
4. Step 4: Simplify right side
   740,914.50x = 1,388,244,784,644
5. Step 5: Solve for x
   x = 1,388,244,784,644/740,914.50
6. Step 6: Final answer
   x = 1,873,690.94