Finding the Third Proportional to 845,401,385 and 1,358,978,307

Step by Step Solution

1. Step 1: Write the proportion equation
   845,401,385 : 1,358,978,307 = 1,358,978,307 : x
2. Step 2: Convert to fraction form
   845,401,385/1,358,978,307 = 1,358,978,307/x
3. Step 3: Cross multiply
   845,401,385x = 1,358,978,307 × 1,358,978,307
4. Step 4: Simplify right side
   845,401,385x = 1,846,822,038,896,586,240
5. Step 5: Solve for x
   x = 1,846,822,038,896,586,240/845,401,385
6. Step 6: Final answer
   x = 2,184,550,524.36