Finding the Third Proportional to 70,146 and 169,816.50

Step by Step Solution

1. Step 1: Write the proportion equation
   70,146 : 169,816.50 = 169,816.50 : x
2. Step 2: Convert to fraction form
   70,146/169,816.50 = 169,816.50/x
3. Step 3: Cross multiply
   70,146x = 169,816.50 × 169,816.50
4. Step 4: Simplify right side
   70,146x = 28,837,643,672.25
5. Step 5: Solve for x
   x = 28,837,643,672.25/70,146
6. Step 6: Final answer
   x = 411,108.88