Finding the Third Proportional to 133,055.50 and 290,694

Step by Step Solution

1. Step 1: Write the proportion equation
   133,055.50 : 290,694 = 290,694 : x
2. Step 2: Convert to fraction form
   133,055.50/290,694 = 290,694/x
3. Step 3: Cross multiply
   133,055.50x = 290,694 × 290,694
4. Step 4: Simplify right side
   133,055.50x = 84,503,001,636
5. Step 5: Solve for x
   x = 84,503,001,636/133,055.50
6. Step 6: Final answer
   x = 635,095.89