Finding the Third Proportional to 79,654,563 and 123,019,317

Step by Step Solution

1. Step 1: Write the proportion equation
   79,654,563 : 123,019,317 = 123,019,317 : x
2. Step 2: Convert to fraction form
   79,654,563/123,019,317 = 123,019,317/x
3. Step 3: Cross multiply
   79,654,563x = 123,019,317 × 123,019,317
4. Step 4: Simplify right side
   79,654,563x = 15,133,752,355,146,488
5. Step 5: Solve for x
   x = 15,133,752,355,146,488/79,654,563
6. Step 6: Final answer
   x = 189,992,284.00