Finding the Third Proportional to 265,131 and 401,554.50

Step by Step Solution

1. Step 1: Write the proportion equation
   265,131 : 401,554.50 = 401,554.50 : x
2. Step 2: Convert to fraction form
   265,131/401,554.50 = 401,554.50/x
3. Step 3: Cross multiply
   265,131x = 401,554.50 × 401,554.50
4. Step 4: Simplify right side
   265,131x = 161,246,016,470.25
5. Step 5: Solve for x
   x = 161,246,016,470.25/265,131
6. Step 6: Final answer
   x = 608,174.89