Finding the Third Proportional to 160,956 and 254,809.50

Step by Step Solution

1. Step 1: Write the proportion equation
   160,956 : 254,809.50 = 254,809.50 : x
2. Step 2: Convert to fraction form
   160,956/254,809.50 = 254,809.50/x
3. Step 3: Cross multiply
   160,956x = 254,809.50 × 254,809.50
4. Step 4: Simplify right side
   160,956x = 64,927,881,290.25
5. Step 5: Solve for x
   x = 64,927,881,290.25/160,956
6. Step 6: Final answer
   x = 403,389.01