Finding the Third Proportional to 11,480,679,645.75 and 17,970,399,283.69

Step by Step Solution

1. Step 1: Write the proportion equation
   11,480,679,645.75 : 17,970,399,283.69 = 17,970,399,283.69 : x
2. Step 2: Convert to fraction form
   11,480,679,645.75/17,970,399,283.69 = 17,970,399,283.69/x
3. Step 3: Cross multiply
   11,480,679,645.75x = 17,970,399,283.69 × 17,970,399,283.69
4. Step 4: Simplify right side
   11,480,679,645.75x = 322,935,250,415,174,156,288
5. Step 5: Solve for x
   x = 322,935,250,415,174,156,288/11,480,679,645.75
6. Step 6: Final answer
   x = 28,128,583,009.00