Finding the Third Proportional to 19,690,979,762 and 42,368,460,214

Step by Step Solution

1. Step 1: Write the proportion equation
   19,690,979,762 : 42,368,460,214 = 42,368,460,214 : x
2. Step 2: Convert to fraction form
   19,690,979,762/42,368,460,214 = 42,368,460,214/x
3. Step 3: Cross multiply
   19,690,979,762x = 42,368,460,214 × 42,368,460,214
4. Step 4: Simplify right side
   19,690,979,762x = 1,795,086,420,905,300,852,736
5. Step 5: Solve for x
   x = 1,795,086,420,905,300,852,736/19,690,979,762
6. Step 6: Final answer
   x = 91,162,879,785.67