Finding the Third Proportional to 156,258 and 334,710

Step by Step Solution

1. Step 1: Write the proportion equation
   156,258 : 334,710 = 334,710 : x
2. Step 2: Convert to fraction form
   156,258/334,710 = 334,710/x
3. Step 3: Cross multiply
   156,258x = 334,710 × 334,710
4. Step 4: Simplify right side
   156,258x = 112,030,784,100
5. Step 5: Solve for x
   x = 112,030,784,100/156,258
6. Step 6: Final answer
   x = 716,960.31