Finding the Third Proportional to 156,914.50 and 345,500

Step by Step Solution

1. Step 1: Write the proportion equation
   156,914.50 : 345,500 = 345,500 : x
2. Step 2: Convert to fraction form
   156,914.50/345,500 = 345,500/x
3. Step 3: Cross multiply
   156,914.50x = 345,500 × 345,500
4. Step 4: Simplify right side
   156,914.50x = 119,370,250,000
5. Step 5: Solve for x
   x = 119,370,250,000/156,914.50
6. Step 6: Final answer
   x = 760,734.35