Finding the Third Proportional to 845,401,380 and 1,358,978,299

Step by Step Solution

1. Step 1: Write the proportion equation
   845,401,380 : 1,358,978,299 = 1,358,978,299 : x
2. Step 2: Convert to fraction form
   845,401,380/1,358,978,299 = 1,358,978,299/x
3. Step 3: Cross multiply
   845,401,380x = 1,358,978,299 × 1,358,978,299
4. Step 4: Simplify right side
   845,401,380x = 1,846,822,017,152,933,376
5. Step 5: Solve for x
   x = 1,846,822,017,152,933,376/845,401,380
6. Step 6: Final answer
   x = 2,184,550,511.56