Finding the Third Proportional to 8,934,825,920 and 19,642,066,624

Step by Step Solution

1. Step 1: Write the proportion equation
   8,934,825,920 : 19,642,066,624 = 19,642,066,624 : x
2. Step 2: Convert to fraction form
   8,934,825,920/19,642,066,624 = 19,642,066,624/x
3. Step 3: Cross multiply
   8,934,825,920x = 19,642,066,624 × 19,642,066,624
4. Step 4: Simplify right side
   8,934,825,920x = 385,810,781,261,654,786,048
5. Step 5: Solve for x
   x = 385,810,781,261,654,786,048/8,934,825,920
6. Step 6: Final answer
   x = 43,180,559,388.19