Finding the Third Proportional to 74,871 and 99,670.50

Step by Step Solution

1. Step 1: Write the proportion equation
   74,871 : 99,670.50 = 99,670.50 : x
2. Step 2: Convert to fraction form
   74,871/99,670.50 = 99,670.50/x
3. Step 3: Cross multiply
   74,871x = 99,670.50 × 99,670.50
4. Step 4: Simplify right side
   74,871x = 9,934,208,570.25
5. Step 5: Solve for x
   x = 9,934,208,570.25/74,871
6. Step 6: Final answer
   x = 132,684.33