Finding the Third Proportional to 355,004.50 and 775,061

Step by Step Solution

1. Step 1: Write the proportion equation
   355,004.50 : 775,061 = 775,061 : x
2. Step 2: Convert to fraction form
   355,004.50/775,061 = 775,061/x
3. Step 3: Cross multiply
   355,004.50x = 775,061 × 775,061
4. Step 4: Simplify right side
   355,004.50x = 600,719,553,721
5. Step 5: Solve for x
   x = 600,719,553,721/355,004.50
6. Step 6: Final answer
   x = 1,692,146.31