Finding the Third Proportional to 10,985.63 and 23,428.13

Step by Step Solution

1. Step 1: Write the proportion equation
   10,985.63 : 23,428.13 = 23,428.13 : x
2. Step 2: Convert to fraction form
   10,985.63/23,428.13 = 23,428.13/x
3. Step 3: Cross multiply
   10,985.63x = 23,428.13 × 23,428.13
4. Step 4: Simplify right side
   10,985.63x = 548,877,041.02
5. Step 5: Solve for x
   x = 548,877,041.02/10,985.63
6. Step 6: Final answer
   x = 49,963.21