Finding the Third Proportional to 341,513.72 and 749,457.56

Step by Step Solution

1. Step 1: Write the proportion equation
   341,513.72 : 749,457.56 = 749,457.56 : x
2. Step 2: Convert to fraction form
   341,513.72/749,457.56 = 749,457.56/x
3. Step 3: Cross multiply
   341,513.72x = 749,457.56 × 749,457.56
4. Step 4: Simplify right side
   341,513.72x = 561,686,637,988.44
5. Step 5: Solve for x
   x = 561,686,637,988.44/341,513.72
6. Step 6: Final answer
   x = 1,644,697.14