Finding the Third Proportional to 156,980 and 240,078

Step by Step Solution

1. Step 1: Write the proportion equation
   156,980 : 240,078 = 240,078 : x
2. Step 2: Convert to fraction form
   156,980/240,078 = 240,078/x
3. Step 3: Cross multiply
   156,980x = 240,078 × 240,078
4. Step 4: Simplify right side
   156,980x = 57,637,446,084
5. Step 5: Solve for x
   x = 57,637,446,084/156,980
6. Step 6: Final answer
   x = 367,164.26