Finding the Third Proportional to 725,126 and 1,555,174

Step by Step Solution

1. Step 1: Write the proportion equation
   725,126 : 1,555,174 = 1,555,174 : x
2. Step 2: Convert to fraction form
   725,126/1,555,174 = 1,555,174/x
3. Step 3: Cross multiply
   725,126x = 1,555,174 × 1,555,174
4. Step 4: Simplify right side
   725,126x = 2,418,566,170,276
5. Step 5: Solve for x
   x = 2,418,566,170,276/725,126
6. Step 6: Final answer
   x = 3,335,373.67