Finding the Third Proportional to 79,654,779 and 123,019,668

Step by Step Solution

1. Step 1: Write the proportion equation
   79,654,779 : 123,019,668 = 123,019,668 : x
2. Step 2: Convert to fraction form
   79,654,779/123,019,668 = 123,019,668/x
3. Step 3: Cross multiply
   79,654,779x = 123,019,668 × 123,019,668
4. Step 4: Simplify right side
   79,654,779x = 15,133,838,714,830,224
5. Step 5: Solve for x
   x = 15,133,838,714,830,224/79,654,779
6. Step 6: Final answer
   x = 189,992,852.97