Finding the Third Proportional to 92,907 and 139,570.50

Step by Step Solution

1. Step 1: Write the proportion equation
   92,907 : 139,570.50 = 139,570.50 : x
2. Step 2: Convert to fraction form
   92,907/139,570.50 = 139,570.50/x
3. Step 3: Cross multiply
   92,907x = 139,570.50 × 139,570.50
4. Step 4: Simplify right side
   92,907x = 19,479,924,470.25
5. Step 5: Solve for x
   x = 19,479,924,470.25/92,907
6. Step 6: Final answer
   x = 209,671.22