Finding the Third Proportional to 191,627.50 and 403,100

Step by Step Solution

1. Step 1: Write the proportion equation
   191,627.50 : 403,100 = 403,100 : x
2. Step 2: Convert to fraction form
   191,627.50/403,100 = 403,100/x
3. Step 3: Cross multiply
   191,627.50x = 403,100 × 403,100
4. Step 4: Simplify right side
   191,627.50x = 162,489,610,000
5. Step 5: Solve for x
   x = 162,489,610,000/191,627.50
6. Step 6: Final answer
   x = 847,945.15