Finding the Third Proportional to 72,187,696 and 150,323,920

Step by Step Solution

1. Step 1: Write the proportion equation
   72,187,696 : 150,323,920 = 150,323,920 : x
2. Step 2: Convert to fraction form
   72,187,696/150,323,920 = 150,323,920/x
3. Step 3: Cross multiply
   72,187,696x = 150,323,920 × 150,323,920
4. Step 4: Simplify right side
   72,187,696x = 22,597,280,924,166,400
5. Step 5: Solve for x
   x = 22,597,280,924,166,400/72,187,696
6. Step 6: Final answer
   x = 313,035,076.28