Finding the Third Proportional to 59,578,870,282 and 129,618,011,874

Step by Step Solution

1. Step 1: Write the proportion equation
   59,578,870,282 : 129,618,011,874 = 129,618,011,874 : x
2. Step 2: Convert to fraction form
   59,578,870,282/129,618,011,874 = 129,618,011,874/x
3. Step 3: Cross multiply
   59,578,870,282x = 129,618,011,874 × 129,618,011,874
4. Step 4: Simplify right side
   59,578,870,282x = 16,800,829,002,168,404,017,152
5. Step 5: Solve for x
   x = 16,800,829,002,168,404,017,152/59,578,870,282
6. Step 6: Final answer
   x = 281,993,077,791.61