Finding the Third Proportional to 19,731,109,234.50 and 40,508,224,488

Step by Step Solution

1. Step 1: Write the proportion equation
   19,731,109,234.50 : 40,508,224,488 = 40,508,224,488 : x
2. Step 2: Convert to fraction form
   19,731,109,234.50/40,508,224,488 = 40,508,224,488/x
3. Step 3: Cross multiply
   19,731,109,234.50x = 40,508,224,488 × 40,508,224,488
4. Step 4: Simplify right side
   19,731,109,234.50x = 1,640,916,251,170,202,976,256
5. Step 5: Solve for x
   x = 1,640,916,251,170,202,976,256/19,731,109,234.50
6. Step 6: Final answer
   x = 83,163,912,969.53