Finding the Third Proportional to 70,070.50 and 164,501.50

Step by Step Solution

1. Step 1: Write the proportion equation
   70,070.50 : 164,501.50 = 164,501.50 : x
2. Step 2: Convert to fraction form
   70,070.50/164,501.50 = 164,501.50/x
3. Step 3: Cross multiply
   70,070.50x = 164,501.50 × 164,501.50
4. Step 4: Simplify right side
   70,070.50x = 27,060,743,502.25
5. Step 5: Solve for x
   x = 27,060,743,502.25/70,070.50
6. Step 6: Final answer
   x = 386,193.10