Finding the Third Proportional to 13,425,309,216 and 21,060,348,327

Step by Step Solution

1. Step 1: Write the proportion equation
   13,425,309,216 : 21,060,348,327 = 21,060,348,327 : x
2. Step 2: Convert to fraction form
   13,425,309,216/21,060,348,327 = 21,060,348,327/x
3. Step 3: Cross multiply
   13,425,309,216x = 21,060,348,327 × 21,060,348,327
4. Step 4: Simplify right side
   13,425,309,216x = 443,538,271,654,571,671,552
5. Step 5: Solve for x
   x = 443,538,271,654,571,671,552/13,425,309,216
6. Step 6: Final answer
   x = 33,037,471,578.38