Finding the Third Proportional to 13,425,309,213 and 21,060,348,323

Step by Step Solution

1. Step 1: Write the proportion equation
   13,425,309,213 : 21,060,348,323 = 21,060,348,323 : x
2. Step 2: Convert to fraction form
   13,425,309,213/21,060,348,323 = 21,060,348,323/x
3. Step 3: Cross multiply
   13,425,309,213x = 21,060,348,323 × 21,060,348,323
4. Step 4: Simplify right side
   13,425,309,213x = 443,538,271,486,088,904,704
5. Step 5: Solve for x
   x = 443,538,271,486,088,904,704/13,425,309,213
6. Step 6: Final answer
   x = 33,037,471,573.21