Finding the Third Proportional to 156,210 and 333,140

Step by Step Solution

1. Step 1: Write the proportion equation
   156,210 : 333,140 = 333,140 : x
2. Step 2: Convert to fraction form
   156,210/333,140 = 333,140/x
3. Step 3: Cross multiply
   156,210x = 333,140 × 333,140
4. Step 4: Simplify right side
   156,210x = 110,982,259,600
5. Step 5: Solve for x
   x = 110,982,259,600/156,210
6. Step 6: Final answer
   x = 710,468.34