Finding the Third Proportional to 156,972 and 336,084

Step by Step Solution

1. Step 1: Write the proportion equation
   156,972 : 336,084 = 336,084 : x
2. Step 2: Convert to fraction form
   156,972/336,084 = 336,084/x
3. Step 3: Cross multiply
   156,972x = 336,084 × 336,084
4. Step 4: Simplify right side
   156,972x = 112,952,455,056
5. Step 5: Solve for x
   x = 112,952,455,056/156,972
6. Step 6: Final answer
   x = 719,570.72