Finding the Third Proportional to 156,394 and 334,932.50

Step by Step Solution

1. Step 1: Write the proportion equation
   156,394 : 334,932.50 = 334,932.50 : x
2. Step 2: Convert to fraction form
   156,394/334,932.50 = 334,932.50/x
3. Step 3: Cross multiply
   156,394x = 334,932.50 × 334,932.50
4. Step 4: Simplify right side
   156,394x = 112,179,779,556.25
5. Step 5: Solve for x
   x = 112,179,779,556.25/156,394
6. Step 6: Final answer
   x = 717,289.54