Finding the Third Proportional to 19,870.31 and 29,463.75

Step by Step Solution

1. Step 1: Write the proportion equation
   19,870.31 : 29,463.75 = 29,463.75 : x
2. Step 2: Convert to fraction form
   19,870.31/29,463.75 = 29,463.75/x
3. Step 3: Cross multiply
   19,870.31x = 29,463.75 × 29,463.75
4. Step 4: Simplify right side
   19,870.31x = 868,112,564.06
5. Step 5: Solve for x
   x = 868,112,564.06/19,870.31
6. Step 6: Final answer
   x = 43,688.92