Finding the Third Proportional to 265,575 and 622,141.50

Step by Step Solution

1. Step 1: Write the proportion equation
   265,575 : 622,141.50 = 622,141.50 : x
2. Step 2: Convert to fraction form
   265,575/622,141.50 = 622,141.50/x
3. Step 3: Cross multiply
   265,575x = 622,141.50 × 622,141.50
4. Step 4: Simplify right side
   265,575x = 387,060,046,022.25
5. Step 5: Solve for x
   x = 387,060,046,022.25/265,575
6. Step 6: Final answer
   x = 1,457,441.57