Finding the Third Proportional to 191,824 and 290,398.88

Step by Step Solution

1. Step 1: Write the proportion equation
   191,824 : 290,398.88 = 290,398.88 : x
2. Step 2: Convert to fraction form
   191,824/290,398.88 = 290,398.88/x
3. Step 3: Cross multiply
   191,824x = 290,398.88 × 290,398.88
4. Step 4: Simplify right side
   191,824x = 84,331,506,601.27
5. Step 5: Solve for x
   x = 84,331,506,601.27/191,824
6. Step 6: Final answer
   x = 439,629.59