Finding the Third Proportional to 90,925 and 197,587.50

Step by Step Solution

1. Step 1: Write the proportion equation
   90,925 : 197,587.50 = 197,587.50 : x
2. Step 2: Convert to fraction form
   90,925/197,587.50 = 197,587.50/x
3. Step 3: Cross multiply
   90,925x = 197,587.50 × 197,587.50
4. Step 4: Simplify right side
   90,925x = 39,040,820,156.25
5. Step 5: Solve for x
   x = 39,040,820,156.25/90,925
6. Step 6: Final answer
   x = 429,373.88