Finding the Third Proportional to 173,572.50 and 380,436

Step by Step Solution

1. Step 1: Write the proportion equation
   173,572.50 : 380,436 = 380,436 : x
2. Step 2: Convert to fraction form
   173,572.50/380,436 = 380,436/x
3. Step 3: Cross multiply
   173,572.50x = 380,436 × 380,436
4. Step 4: Simplify right side
   173,572.50x = 144,731,550,096
5. Step 5: Solve for x
   x = 144,731,550,096/173,572.50
6. Step 6: Final answer
   x = 833,839.17