Finding the Third Proportional to 148,705.50 and 211,986

Step by Step Solution

1. Step 1: Write the proportion equation
   148,705.50 : 211,986 = 211,986 : x
2. Step 2: Convert to fraction form
   148,705.50/211,986 = 211,986/x
3. Step 3: Cross multiply
   148,705.50x = 211,986 × 211,986
4. Step 4: Simplify right side
   148,705.50x = 44,938,064,196
5. Step 5: Solve for x
   x = 44,938,064,196/148,705.50
6. Step 6: Final answer
   x = 302,195.04