Finding the Third Proportional to 139,003,660 and 188,571,064

Step by Step Solution

1. Step 1: Write the proportion equation
   139,003,660 : 188,571,064 = 188,571,064 : x
2. Step 2: Convert to fraction form
   139,003,660/188,571,064 = 188,571,064/x
3. Step 3: Cross multiply
   139,003,660x = 188,571,064 × 188,571,064
4. Step 4: Simplify right side
   139,003,660x = 35,559,046,178,092,096
5. Step 5: Solve for x
   x = 35,559,046,178,092,096/139,003,660
6. Step 6: Final answer
   x = 255,813,740.29