Finding the Third Proportional to 149,437,708 and 308,424,978

Step by Step Solution

1. Step 1: Write the proportion equation
   149,437,708 : 308,424,978 = 308,424,978 : x
2. Step 2: Convert to fraction form
   149,437,708/308,424,978 = 308,424,978/x
3. Step 3: Cross multiply
   149,437,708x = 308,424,978 × 308,424,978
4. Step 4: Simplify right side
   149,437,708x = 95,125,967,054,300,480
5. Step 5: Solve for x
   x = 95,125,967,054,300,480/149,437,708
6. Step 6: Final answer
   x = 636,559,328.48