Finding the Third Proportional to 13,575,438,522 and 21,188,034,227.25

Step by Step Solution

1. Step 1: Write the proportion equation
   13,575,438,522 : 21,188,034,227.25 = 21,188,034,227.25 : x
2. Step 2: Convert to fraction form
   13,575,438,522/21,188,034,227.25 = 21,188,034,227.25/x
3. Step 3: Cross multiply
   13,575,438,522x = 21,188,034,227.25 × 21,188,034,227.25
4. Step 4: Simplify right side
   13,575,438,522x = 448,932,794,415,117,500,416
5. Step 5: Solve for x
   x = 448,932,794,415,117,500,416/13,575,438,522
6. Step 6: Final answer
   x = 33,069,487,492.99