Finding the Third Proportional to 2,499,217,488 and 5,205,293,680

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499,217,488 : 5,205,293,680 = 5,205,293,680 : x
2. Step 2: Convert to fraction form
   2,499,217,488/5,205,293,680 = 5,205,293,680/x
3. Step 3: Cross multiply
   2,499,217,488x = 5,205,293,680 × 5,205,293,680
4. Step 4: Simplify right side
   2,499,217,488x = 27,095,082,295,047,942,144
5. Step 5: Solve for x
   x = 27,095,082,295,047,942,144/2,499,217,488
6. Step 6: Final answer
   x = 10,841,426,336.50