Finding the Third Proportional to 10,088.02 and 19,917.70

Step by Step Solution

1. Step 1: Write the proportion equation
   10,088.02 : 19,917.70 = 19,917.70 : x
2. Step 2: Convert to fraction form
   10,088.02/19,917.70 = 19,917.70/x
3. Step 3: Cross multiply
   10,088.02x = 19,917.70 × 19,917.70
4. Step 4: Simplify right side
   10,088.02x = 396,714,897.78
5. Step 5: Solve for x
   x = 396,714,897.78/10,088.02
6. Step 6: Final answer
   x = 39,325.37