Finding the Third Proportional to 13,425,309,209 and 21,060,348,317

Step by Step Solution

1. Step 1: Write the proportion equation
   13,425,309,209 : 21,060,348,317 = 21,060,348,317 : x
2. Step 2: Convert to fraction form
   13,425,309,209/21,060,348,317 = 21,060,348,317/x
3. Step 3: Cross multiply
   13,425,309,209x = 21,060,348,317 × 21,060,348,317
4. Step 4: Simplify right side
   13,425,309,209x = 443,538,271,233,364,721,664
5. Step 5: Solve for x
   x = 443,538,271,233,364,721,664/13,425,309,209
6. Step 6: Final answer
   x = 33,037,471,564.23