Finding the Third Proportional to 21,340.13 and 31,461.75

Step by Step Solution

1. Step 1: Write the proportion equation
   21,340.13 : 31,461.75 = 31,461.75 : x
2. Step 2: Convert to fraction form
   21,340.13/31,461.75 = 31,461.75/x
3. Step 3: Cross multiply
   21,340.13x = 31,461.75 × 31,461.75
4. Step 4: Simplify right side
   21,340.13x = 989,841,713.06
5. Step 5: Solve for x
   x = 989,841,713.06/21,340.13
6. Step 6: Final answer
   x = 46,384.06