Finding the Third Proportional to 156,074 and 335,820

Step by Step Solution

1. Step 1: Write the proportion equation
   156,074 : 335,820 = 335,820 : x
2. Step 2: Convert to fraction form
   156,074/335,820 = 335,820/x
3. Step 3: Cross multiply
   156,074x = 335,820 × 335,820
4. Step 4: Simplify right side
   156,074x = 112,775,072,400
5. Step 5: Solve for x
   x = 112,775,072,400/156,074
6. Step 6: Final answer
   x = 722,574.37