Finding the Third Proportional to 112,402 and 169,345.50

Step by Step Solution

1. Step 1: Write the proportion equation
   112,402 : 169,345.50 = 169,345.50 : x
2. Step 2: Convert to fraction form
   112,402/169,345.50 = 169,345.50/x
3. Step 3: Cross multiply
   112,402x = 169,345.50 × 169,345.50
4. Step 4: Simplify right side
   112,402x = 28,677,898,370.25
5. Step 5: Solve for x
   x = 28,677,898,370.25/112,402
6. Step 6: Final answer
   x = 255,136.90