Finding the Third Proportional to 70,791.47 and 137,996.16

Step by Step Solution

1. Step 1: Write the proportion equation
   70,791.47 : 137,996.16 = 137,996.16 : x
2. Step 2: Convert to fraction form
   70,791.47/137,996.16 = 137,996.16/x
3. Step 3: Cross multiply
   70,791.47x = 137,996.16 × 137,996.16
4. Step 4: Simplify right side
   70,791.47x = 19,042,939,139.77
5. Step 5: Solve for x
   x = 19,042,939,139.77/70,791.47
6. Step 6: Final answer
   x = 269,000.48