Finding the Third Proportional to 100,458 and 155,410.31

Step by Step Solution

1. Step 1: Write the proportion equation
   100,458 : 155,410.31 = 155,410.31 : x
2. Step 2: Convert to fraction form
   100,458/155,410.31 = 155,410.31/x
3. Step 3: Cross multiply
   100,458x = 155,410.31 × 155,410.31
4. Step 4: Simplify right side
   100,458x = 24,152,365,231.35
5. Step 5: Solve for x
   x = 24,152,365,231.35/100,458
6. Step 6: Final answer
   x = 240,422.52