Finding the Third Proportional to 156,770 and 238,842

Step by Step Solution

1. Step 1: Write the proportion equation
   156,770 : 238,842 = 238,842 : x
2. Step 2: Convert to fraction form
   156,770/238,842 = 238,842/x
3. Step 3: Cross multiply
   156,770x = 238,842 × 238,842
4. Step 4: Simplify right side
   156,770x = 57,045,500,964
5. Step 5: Solve for x
   x = 57,045,500,964/156,770
6. Step 6: Final answer
   x = 363,880.21