Finding the Third Proportional to 64,932 and 159,042.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,932 : 159,042.50 = 159,042.50 : x
2. Step 2: Convert to fraction form
   64,932/159,042.50 = 159,042.50/x
3. Step 3: Cross multiply
   64,932x = 159,042.50 × 159,042.50
4. Step 4: Simplify right side
   64,932x = 25,294,516,806.25
5. Step 5: Solve for x
   x = 25,294,516,806.25/64,932
6. Step 6: Final answer
   x = 389,553.95