Finding the Third Proportional to 64,915,824 and 137,075,016

Step by Step Solution

1. Step 1: Write the proportion equation
   64,915,824 : 137,075,016 = 137,075,016 : x
2. Step 2: Convert to fraction form
   64,915,824/137,075,016 = 137,075,016/x
3. Step 3: Cross multiply
   64,915,824x = 137,075,016 × 137,075,016
4. Step 4: Simplify right side
   64,915,824x = 18,789,560,011,400,256
5. Step 5: Solve for x
   x = 18,789,560,011,400,256/64,915,824
6. Step 6: Final answer
   x = 289,444,989.74