Finding the Third Proportional to 111,458,580 and 236,459,064

Step by Step Solution

1. Step 1: Write the proportion equation
   111,458,580 : 236,459,064 = 236,459,064 : x
2. Step 2: Convert to fraction form
   111,458,580/236,459,064 = 236,459,064/x
3. Step 3: Cross multiply
   111,458,580x = 236,459,064 × 236,459,064
4. Step 4: Simplify right side
   111,458,580x = 55,912,888,947,756,096
5. Step 5: Solve for x
   x = 55,912,888,947,756,096/111,458,580
6. Step 6: Final answer
   x = 501,647,239.25