Finding the Third Proportional to 19,185,927,738 and 42,783,321,972

Step by Step Solution

1. Step 1: Write the proportion equation
   19,185,927,738 : 42,783,321,972 = 42,783,321,972 : x
2. Step 2: Convert to fraction form
   19,185,927,738/42,783,321,972 = 42,783,321,972/x
3. Step 3: Cross multiply
   19,185,927,738x = 42,783,321,972 × 42,783,321,972
4. Step 4: Simplify right side
   19,185,927,738x = 1,830,412,638,959,817,981,952
5. Step 5: Solve for x
   x = 1,830,412,638,959,817,981,952/19,185,927,738
6. Step 6: Final answer
   x = 95,403,916,034.48