Finding the Third Proportional to 156,775.50 and 343,575

Step by Step Solution

1. Step 1: Write the proportion equation
   156,775.50 : 343,575 = 343,575 : x
2. Step 2: Convert to fraction form
   156,775.50/343,575 = 343,575/x
3. Step 3: Cross multiply
   156,775.50x = 343,575 × 343,575
4. Step 4: Simplify right side
   156,775.50x = 118,043,780,625
5. Step 5: Solve for x
   x = 118,043,780,625/156,775.50
6. Step 6: Final answer
   x = 752,947.88