Finding the Third Proportional to 123,059,138 and 193,036,323

Step by Step Solution

1. Step 1: Write the proportion equation
   123,059,138 : 193,036,323 = 193,036,323 : x
2. Step 2: Convert to fraction form
   123,059,138/193,036,323 = 193,036,323/x
3. Step 3: Cross multiply
   123,059,138x = 193,036,323 × 193,036,323
4. Step 4: Simplify right side
   123,059,138x = 37,263,021,997,360,328
5. Step 5: Solve for x
   x = 37,263,021,997,360,328/123,059,138
6. Step 6: Final answer
   x = 302,805,810.30