Finding the Third Proportional to 42,703,573,218 and 91,833,887,364

Step by Step Solution

1. Step 1: Write the proportion equation
   42,703,573,218 : 91,833,887,364 = 91,833,887,364 : x
2. Step 2: Convert to fraction form
   42,703,573,218/91,833,887,364 = 91,833,887,364/x
3. Step 3: Cross multiply
   42,703,573,218x = 91,833,887,364 × 91,833,887,364
4. Step 4: Simplify right side
   42,703,573,218x = 8,433,462,868,383,839,027,200
5. Step 5: Solve for x
   x = 8,433,462,868,383,839,027,200/42,703,573,218
6. Step 6: Final answer
   x = 197,488,458,994.55