Finding the Third Proportional to 133,105.50 and 290,774

Step by Step Solution

1. Step 1: Write the proportion equation
   133,105.50 : 290,774 = 290,774 : x
2. Step 2: Convert to fraction form
   133,105.50/290,774 = 290,774/x
3. Step 3: Cross multiply
   133,105.50x = 290,774 × 290,774
4. Step 4: Simplify right side
   133,105.50x = 84,549,519,076
5. Step 5: Solve for x
   x = 84,549,519,076/133,105.50
6. Step 6: Final answer
   x = 635,206.80