Finding the Third Proportional to 265,100.50 and 401,512

Step by Step Solution

1. Step 1: Write the proportion equation
   265,100.50 : 401,512 = 401,512 : x
2. Step 2: Convert to fraction form
   265,100.50/401,512 = 401,512/x
3. Step 3: Cross multiply
   265,100.50x = 401,512 × 401,512
4. Step 4: Simplify right side
   265,100.50x = 161,211,886,144
5. Step 5: Solve for x
   x = 161,211,886,144/265,100.50
6. Step 6: Final answer
   x = 608,116.11