Finding the Third Proportional to 85,833 and 115,501.50

Step by Step Solution

1. Step 1: Write the proportion equation
   85,833 : 115,501.50 = 115,501.50 : x
2. Step 2: Convert to fraction form
   85,833/115,501.50 = 115,501.50/x
3. Step 3: Cross multiply
   85,833x = 115,501.50 × 115,501.50
4. Step 4: Simplify right side
   85,833x = 13,340,596,502.25
5. Step 5: Solve for x
   x = 13,340,596,502.25/85,833
6. Step 6: Final answer
   x = 155,425.03