Finding the Third Proportional to 156,930 and 240,111

Step by Step Solution

1. Step 1: Write the proportion equation
   156,930 : 240,111 = 240,111 : x
2. Step 2: Convert to fraction form
   156,930/240,111 = 240,111/x
3. Step 3: Cross multiply
   156,930x = 240,111 × 240,111
4. Step 4: Simplify right side
   156,930x = 57,653,292,321
5. Step 5: Solve for x
   x = 57,653,292,321/156,930
6. Step 6: Final answer
   x = 367,382.22