Finding the Third Proportional to 123,059,136 and 193,036,320

Step by Step Solution

1. Step 1: Write the proportion equation
   123,059,136 : 193,036,320 = 193,036,320 : x
2. Step 2: Convert to fraction form
   123,059,136/193,036,320 = 193,036,320/x
3. Step 3: Cross multiply
   123,059,136x = 193,036,320 × 193,036,320
4. Step 4: Simplify right side
   123,059,136x = 37,263,020,839,142,400
5. Step 5: Solve for x
   x = 37,263,020,839,142,400/123,059,136
6. Step 6: Final answer
   x = 302,805,805.81