Finding the Third Proportional to 79,654,565 and 123,019,320

Step by Step Solution

1. Step 1: Write the proportion equation
   79,654,565 : 123,019,320 = 123,019,320 : x
2. Step 2: Convert to fraction form
   79,654,565/123,019,320 = 123,019,320/x
3. Step 3: Cross multiply
   79,654,565x = 123,019,320 × 123,019,320
4. Step 4: Simplify right side
   79,654,565x = 15,133,753,093,262,400
5. Step 5: Solve for x
   x = 15,133,753,093,262,400/79,654,565
6. Step 6: Final answer
   x = 189,992,288.49