Finding the Third Proportional to 156,764 and 342,974

Step by Step Solution

1. Step 1: Write the proportion equation
   156,764 : 342,974 = 342,974 : x
2. Step 2: Convert to fraction form
   156,764/342,974 = 342,974/x
3. Step 3: Cross multiply
   156,764x = 342,974 × 342,974
4. Step 4: Simplify right side
   156,764x = 117,631,164,676
5. Step 5: Solve for x
   x = 117,631,164,676/156,764
6. Step 6: Final answer
   x = 750,371.03