Finding the Third Proportional to 33,012,223,129 and 72,509,786,426

Step by Step Solution

1. Step 1: Write the proportion equation
   33,012,223,129 : 72,509,786,426 = 72,509,786,426 : x
2. Step 2: Convert to fraction form
   33,012,223,129/72,509,786,426 = 72,509,786,426/x
3. Step 3: Cross multiply
   33,012,223,129x = 72,509,786,426 × 72,509,786,426
4. Step 4: Simplify right side
   33,012,223,129x = 5,257,669,127,544,134,172,672
5. Step 5: Solve for x
   x = 5,257,669,127,544,134,172,672/33,012,223,129
6. Step 6: Final answer
   x = 159,264,315,735.39