Finding the Third Proportional to 334,741.50 and 696,558

Step by Step Solution

1. Step 1: Write the proportion equation
   334,741.50 : 696,558 = 696,558 : x
2. Step 2: Convert to fraction form
   334,741.50/696,558 = 696,558/x
3. Step 3: Cross multiply
   334,741.50x = 696,558 × 696,558
4. Step 4: Simplify right side
   334,741.50x = 485,193,047,364
5. Step 5: Solve for x
   x = 485,193,047,364/334,741.50
6. Step 6: Final answer
   x = 1,449,455.92