Finding the Third Proportional to 333,780 and 695,172

Step by Step Solution

1. Step 1: Write the proportion equation
   333,780 : 695,172 = 695,172 : x
2. Step 2: Convert to fraction form
   333,780/695,172 = 695,172/x
3. Step 3: Cross multiply
   333,780x = 695,172 × 695,172
4. Step 4: Simplify right side
   333,780x = 483,264,109,584
5. Step 5: Solve for x
   x = 483,264,109,584/333,780
6. Step 6: Final answer
   x = 1,447,852.21