Finding the Third Proportional to 156,740 and 342,882

Step by Step Solution

1. Step 1: Write the proportion equation
   156,740 : 342,882 = 342,882 : x
2. Step 2: Convert to fraction form
   156,740/342,882 = 342,882/x
3. Step 3: Cross multiply
   156,740x = 342,882 × 342,882
4. Step 4: Simplify right side
   156,740x = 117,568,065,924
5. Step 5: Solve for x
   x = 117,568,065,924/156,740
6. Step 6: Final answer
   x = 750,083.36