Finding the Third Proportional to 64,627.50 and 135,141

Step by Step Solution

1. Step 1: Write the proportion equation
   64,627.50 : 135,141 = 135,141 : x
2. Step 2: Convert to fraction form
   64,627.50/135,141 = 135,141/x
3. Step 3: Cross multiply
   64,627.50x = 135,141 × 135,141
4. Step 4: Simplify right side
   64,627.50x = 18,263,089,881
5. Step 5: Solve for x
   x = 18,263,089,881/64,627.50
6. Step 6: Final answer
   x = 282,590.07