Finding the Third Proportional to 133,690.50 and 290,901

Step by Step Solution

1. Step 1: Write the proportion equation
   133,690.50 : 290,901 = 290,901 : x
2. Step 2: Convert to fraction form
   133,690.50/290,901 = 290,901/x
3. Step 3: Cross multiply
   133,690.50x = 290,901 × 290,901
4. Step 4: Simplify right side
   133,690.50x = 84,623,391,801
5. Step 5: Solve for x
   x = 84,623,391,801/133,690.50
6. Step 6: Final answer
   x = 632,979.84