Finding the Third Proportional to 109,931,136 and 238,804,608

Step by Step Solution

1. Step 1: Write the proportion equation
   109,931,136 : 238,804,608 = 238,804,608 : x
2. Step 2: Convert to fraction form
   109,931,136/238,804,608 = 238,804,608/x
3. Step 3: Cross multiply
   109,931,136x = 238,804,608 × 238,804,608
4. Step 4: Simplify right side
   109,931,136x = 57,027,640,802,033,664
5. Step 5: Solve for x
   x = 57,027,640,802,033,664/109,931,136
6. Step 6: Final answer
   x = 518,757,859.48