Finding the Third Proportional to 351,725.63 and 715,878

Step by Step Solution

1. Step 1: Write the proportion equation
   351,725.63 : 715,878 = 715,878 : x
2. Step 2: Convert to fraction form
   351,725.63/715,878 = 715,878/x
3. Step 3: Cross multiply
   351,725.63x = 715,878 × 715,878
4. Step 4: Simplify right side
   351,725.63x = 512,481,310,884
5. Step 5: Solve for x
   x = 512,481,310,884/351,725.63
6. Step 6: Final answer
   x = 1,457,048.55