Finding the Third Proportional to 42,477.75 and 99,208.13

Step by Step Solution

1. Step 1: Write the proportion equation
   42,477.75 : 99,208.13 = 99,208.13 : x
2. Step 2: Convert to fraction form
   42,477.75/99,208.13 = 99,208.13/x
3. Step 3: Cross multiply
   42,477.75x = 99,208.13 × 99,208.13
4. Step 4: Simplify right side
   42,477.75x = 9,842,252,066.02
5. Step 5: Solve for x
   x = 9,842,252,066.02/42,477.75
6. Step 6: Final answer
   x = 231,703.71