Finding the Third Proportional to 64,150.50 and 100,631.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,150.50 : 100,631.50 = 100,631.50 : x
2. Step 2: Convert to fraction form
   64,150.50/100,631.50 = 100,631.50/x
3. Step 3: Cross multiply
   64,150.50x = 100,631.50 × 100,631.50
4. Step 4: Simplify right side
   64,150.50x = 10,126,698,792.25
5. Step 5: Solve for x
   x = 10,126,698,792.25/64,150.50
6. Step 6: Final answer
   x = 157,858.45