Finding the Third Proportional to 786,456 and 1,720,097

Step by Step Solution

1. Step 1: Write the proportion equation
   786,456 : 1,720,097 = 1,720,097 : x
2. Step 2: Convert to fraction form
   786,456/1,720,097 = 1,720,097/x
3. Step 3: Cross multiply
   786,456x = 1,720,097 × 1,720,097
4. Step 4: Simplify right side
   786,456x = 2,958,733,689,409
5. Step 5: Solve for x
   x = 2,958,733,689,409/786,456
6. Step 6: Final answer
   x = 3,762,109.63