Finding the Third Proportional to 92,413 and 139,276.50

Step by Step Solution

1. Step 1: Write the proportion equation
   92,413 : 139,276.50 = 139,276.50 : x
2. Step 2: Convert to fraction form
   92,413/139,276.50 = 139,276.50/x
3. Step 3: Cross multiply
   92,413x = 139,276.50 × 139,276.50
4. Step 4: Simplify right side
   92,413x = 19,397,943,452.25
5. Step 5: Solve for x
   x = 19,397,943,452.25/92,413
6. Step 6: Final answer
   x = 209,904.92