Finding the Third Proportional to 64,500 and 99,667.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,500 : 99,667.50 = 99,667.50 : x
2. Step 2: Convert to fraction form
   64,500/99,667.50 = 99,667.50/x
3. Step 3: Cross multiply
   64,500x = 99,667.50 × 99,667.50
4. Step 4: Simplify right side
   64,500x = 9,933,610,556.25
5. Step 5: Solve for x
   x = 9,933,610,556.25/64,500
6. Step 6: Final answer
   x = 154,009.47