Finding the Third Proportional to 156,574.50 and 349,007

Step by Step Solution

1. Step 1: Write the proportion equation
   156,574.50 : 349,007 = 349,007 : x
2. Step 2: Convert to fraction form
   156,574.50/349,007 = 349,007/x
3. Step 3: Cross multiply
   156,574.50x = 349,007 × 349,007
4. Step 4: Simplify right side
   156,574.50x = 121,805,886,049
5. Step 5: Solve for x
   x = 121,805,886,049/156,574.50
6. Step 6: Final answer
   x = 777,942.04