Finding the Third Proportional to 375,669 and 563,665.50

Step by Step Solution

1. Step 1: Write the proportion equation
   375,669 : 563,665.50 = 563,665.50 : x
2. Step 2: Convert to fraction form
   375,669/563,665.50 = 563,665.50/x
3. Step 3: Cross multiply
   375,669x = 563,665.50 × 563,665.50
4. Step 4: Simplify right side
   375,669x = 317,718,795,890.25
5. Step 5: Solve for x
   x = 317,718,795,890.25/375,669
6. Step 6: Final answer
   x = 845,741.32