Finding the Third Proportional to 51,821.65 and 70,009.63

Step by Step Solution

1. Step 1: Write the proportion equation
   51,821.65 : 70,009.63 = 70,009.63 : x
2. Step 2: Convert to fraction form
   51,821.65/70,009.63 = 70,009.63/x
3. Step 3: Cross multiply
   51,821.65x = 70,009.63 × 70,009.63
4. Step 4: Simplify right side
   51,821.65x = 4,901,348,139.59
5. Step 5: Solve for x
   x = 4,901,348,139.59/51,821.65
6. Step 6: Final answer
   x = 94,581.09