Finding the Third Proportional to 121,035,295,917 and 264,870,988,443

Step by Step Solution

1. Step 1: Write the proportion equation
   121,035,295,917 : 264,870,988,443 = 264,870,988,443 : x
2. Step 2: Convert to fraction form
   121,035,295,917/264,870,988,443 = 264,870,988,443/x
3. Step 3: Cross multiply
   121,035,295,917x = 264,870,988,443 × 264,870,988,443
4. Step 4: Simplify right side
   121,035,295,917x = 70,156,640,518,771,836,977,152
5. Step 5: Solve for x
   x = 70,156,640,518,771,836,977,152/121,035,295,917
6. Step 6: Final answer
   x = 579,637,865,031.39