Finding the Third Proportional to 141,792.50 and 290,045

Step by Step Solution

1. Step 1: Write the proportion equation
   141,792.50 : 290,045 = 290,045 : x
2. Step 2: Convert to fraction form
   141,792.50/290,045 = 290,045/x
3. Step 3: Cross multiply
   141,792.50x = 290,045 × 290,045
4. Step 4: Simplify right side
   141,792.50x = 84,126,102,025
5. Step 5: Solve for x
   x = 84,126,102,025/141,792.50
6. Step 6: Final answer
   x = 593,304.31