Finding the Third Proportional to 156,985 and 333,572

Step by Step Solution

1. Step 1: Write the proportion equation
   156,985 : 333,572 = 333,572 : x
2. Step 2: Convert to fraction form
   156,985/333,572 = 333,572/x
3. Step 3: Cross multiply
   156,985x = 333,572 × 333,572
4. Step 4: Simplify right side
   156,985x = 111,270,279,184
5. Step 5: Solve for x
   x = 111,270,279,184/156,985
6. Step 6: Final answer
   x = 708,795.61