Finding the Third Proportional to 855,484,213 and 1,833,747,686

Step by Step Solution

1. Step 1: Write the proportion equation
   855,484,213 : 1,833,747,686 = 1,833,747,686 : x
2. Step 2: Convert to fraction form
   855,484,213/1,833,747,686 = 1,833,747,686/x
3. Step 3: Cross multiply
   855,484,213x = 1,833,747,686 × 1,833,747,686
4. Step 4: Simplify right side
   855,484,213x = 3,362,630,575,910,354,432
5. Step 5: Solve for x
   x = 3,362,630,575,910,354,432/855,484,213
6. Step 6: Final answer
   x = 3,930,675,195.18