Finding the Third Proportional to 355,478.50 and 545,094

Step by Step Solution

1. Step 1: Write the proportion equation
   355,478.50 : 545,094 = 545,094 : x
2. Step 2: Convert to fraction form
   355,478.50/545,094 = 545,094/x
3. Step 3: Cross multiply
   355,478.50x = 545,094 × 545,094
4. Step 4: Simplify right side
   355,478.50x = 297,127,468,836
5. Step 5: Solve for x
   x = 297,127,468,836/355,478.50
6. Step 6: Final answer
   x = 835,852.15