Finding the Third Proportional to 31,179,848,358 and 72,755,493,948

Step by Step Solution

1. Step 1: Write the proportion equation
   31,179,848,358 : 72,755,493,948 = 72,755,493,948 : x
2. Step 2: Convert to fraction form
   31,179,848,358/72,755,493,948 = 72,755,493,948/x
3. Step 3: Cross multiply
   31,179,848,358x = 72,755,493,948 × 72,755,493,948
4. Step 4: Simplify right side
   31,179,848,358x = 5,293,361,899,617,465,139,200
5. Step 5: Solve for x
   x = 5,293,361,899,617,465,139,200/31,179,848,358
6. Step 6: Final answer
   x = 169,768,686,455.44