Finding the Third Proportional to 13,425,309,207 and 21,060,348,313.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,425,309,207 : 21,060,348,313.50 = 21,060,348,313.50 : x
2. Step 2: Convert to fraction form
   13,425,309,207/21,060,348,313.50 = 21,060,348,313.50/x
3. Step 3: Cross multiply
   13,425,309,207x = 21,060,348,313.50 × 21,060,348,313.50
4. Step 4: Simplify right side
   13,425,309,207x = 443,538,271,085,942,276,096
5. Step 5: Solve for x
   x = 443,538,271,085,942,276,096/13,425,309,207
6. Step 6: Final answer
   x = 33,037,471,558.17