Finding the Third Proportional to 116,959,805,892 and 256,341,572,910

Step by Step Solution

1. Step 1: Write the proportion equation
   116,959,805,892 : 256,341,572,910 = 256,341,572,910 : x
2. Step 2: Convert to fraction form
   116,959,805,892/256,341,572,910 = 256,341,572,910/x
3. Step 3: Cross multiply
   116,959,805,892x = 256,341,572,910 × 256,341,572,910
4. Step 4: Simplify right side
   116,959,805,892x = 65,711,002,001,972,842,725,376
5. Step 5: Solve for x
   x = 65,711,002,001,972,842,725,376/116,959,805,892
6. Step 6: Final answer
   x = 561,825,504,931.58