Finding the Third Proportional to 193,363.50 and 415,290

Step by Step Solution

1. Step 1: Write the proportion equation
   193,363.50 : 415,290 = 415,290 : x
2. Step 2: Convert to fraction form
   193,363.50/415,290 = 415,290/x
3. Step 3: Cross multiply
   193,363.50x = 415,290 × 415,290
4. Step 4: Simplify right side
   193,363.50x = 172,465,784,100
5. Step 5: Solve for x
   x = 172,465,784,100/193,363.50
6. Step 6: Final answer
   x = 891,925.23