Finding the Third Proportional to 13,425,309,215 and 21,060,348,326

Step by Step Solution

1. Step 1: Write the proportion equation
   13,425,309,215 : 21,060,348,326 = 21,060,348,326 : x
2. Step 2: Convert to fraction form
   13,425,309,215/21,060,348,326 = 21,060,348,326/x
3. Step 3: Cross multiply
   13,425,309,215x = 21,060,348,326 × 21,060,348,326
4. Step 4: Simplify right side
   13,425,309,215x = 443,538,271,612,451,028,992
5. Step 5: Solve for x
   x = 443,538,271,612,451,028,992/13,425,309,215
6. Step 6: Final answer
   x = 33,037,471,577.70