Finding the Third Proportional to 71,645,963 and 155,456,019

Step by Step Solution

1. Step 1: Write the proportion equation
   71,645,963 : 155,456,019 = 155,456,019 : x
2. Step 2: Convert to fraction form
   71,645,963/155,456,019 = 155,456,019/x
3. Step 3: Cross multiply
   71,645,963x = 155,456,019 × 155,456,019
4. Step 4: Simplify right side
   71,645,963x = 24,166,573,843,328,360
5. Step 5: Solve for x
   x = 24,166,573,843,328,360/71,645,963
6. Step 6: Final answer
   x = 337,305,450.74