Finding the Third Proportional to 19,210.50 and 39,970.13

Step by Step Solution

1. Step 1: Write the proportion equation
   19,210.50 : 39,970.13 = 39,970.13 : x
2. Step 2: Convert to fraction form
   19,210.50/39,970.13 = 39,970.13/x
3. Step 3: Cross multiply
   19,210.50x = 39,970.13 × 39,970.13
4. Step 4: Simplify right side
   19,210.50x = 1,597,610,892.52
5. Step 5: Solve for x
   x = 1,597,610,892.52/19,210.50
6. Step 6: Final answer
   x = 83,163.42