Finding the Third Proportional to 156,910 and 240,072

Step by Step Solution

1. Step 1: Write the proportion equation
   156,910 : 240,072 = 240,072 : x
2. Step 2: Convert to fraction form
   156,910/240,072 = 240,072/x
3. Step 3: Cross multiply
   156,910x = 240,072 × 240,072
4. Step 4: Simplify right side
   156,910x = 57,634,565,184
5. Step 5: Solve for x
   x = 57,634,565,184/156,910
6. Step 6: Final answer
   x = 367,309.70