Finding the Third Proportional to 376,785 and 561,285.50

Step by Step Solution

1. Step 1: Write the proportion equation
   376,785 : 561,285.50 = 561,285.50 : x
2. Step 2: Convert to fraction form
   376,785/561,285.50 = 561,285.50/x
3. Step 3: Cross multiply
   376,785x = 561,285.50 × 561,285.50
4. Step 4: Simplify right side
   376,785x = 315,041,412,510.25
5. Step 5: Solve for x
   x = 315,041,412,510.25/376,785
6. Step 6: Final answer
   x = 836,130.45