Finding the Third Proportional to 182,688,871 and 263,953,870

Step by Step Solution

1. Step 1: Write the proportion equation
   182,688,871 : 263,953,870 = 263,953,870 : x
2. Step 2: Convert to fraction form
   182,688,871/263,953,870 = 263,953,870/x
3. Step 3: Cross multiply
   182,688,871x = 263,953,870 × 263,953,870
4. Step 4: Simplify right side
   182,688,871x = 69,671,645,487,976,896
5. Step 5: Solve for x
   x = 69,671,645,487,976,896/182,688,871
6. Step 6: Final answer
   x = 381,367,759.88