Finding the Third Proportional to 19,600.31 and 42,953.63

Step by Step Solution

1. Step 1: Write the proportion equation
   19,600.31 : 42,953.63 = 42,953.63 : x
2. Step 2: Convert to fraction form
   19,600.31/42,953.63 = 42,953.63/x
3. Step 3: Cross multiply
   19,600.31x = 42,953.63 × 42,953.63
4. Step 4: Simplify right side
   19,600.31x = 1,845,013,900.64
5. Step 5: Solve for x
   x = 1,845,013,900.64/19,600.31
6. Step 6: Final answer
   x = 94,131.86