Finding the Third Proportional to 564,877.50 and 790,089

Step by Step Solution

1. Step 1: Write the proportion equation
   564,877.50 : 790,089 = 790,089 : x
2. Step 2: Convert to fraction form
   564,877.50/790,089 = 790,089/x
3. Step 3: Cross multiply
   564,877.50x = 790,089 × 790,089
4. Step 4: Simplify right side
   564,877.50x = 624,240,627,921
5. Step 5: Solve for x
   x = 624,240,627,921/564,877.50
6. Step 6: Final answer
   x = 1,105,090.27