Finding the Third Proportional to 21,558,696,858 and 46,913,612,859

Step by Step Solution

1. Step 1: Write the proportion equation
   21,558,696,858 : 46,913,612,859 = 46,913,612,859 : x
2. Step 2: Convert to fraction form
   21,558,696,858/46,913,612,859 = 46,913,612,859/x
3. Step 3: Cross multiply
   21,558,696,858x = 46,913,612,859 × 46,913,612,859
4. Step 4: Simplify right side
   21,558,696,858x = 2,200,887,071,484,130,099,200
5. Step 5: Solve for x
   x = 2,200,887,071,484,130,099,200/21,558,696,858
6. Step 6: Final answer
   x = 102,088,131,113.89