Finding the Third Proportional to 71,724,619,798 and 156,960,585,740

Step by Step Solution

1. Step 1: Write the proportion equation
   71,724,619,798 : 156,960,585,740 = 156,960,585,740 : x
2. Step 2: Convert to fraction form
   71,724,619,798/156,960,585,740 = 156,960,585,740/x
3. Step 3: Cross multiply
   71,724,619,798x = 156,960,585,740 × 156,960,585,740
4. Step 4: Simplify right side
   71,724,619,798x = 24,636,625,475,843,892,707,328
5. Step 5: Solve for x
   x = 24,636,625,475,843,892,707,328/71,724,619,798
6. Step 6: Final answer
   x = 343,489,105,208.63