Finding the Third Proportional to 116,776.69 and 156,917.25

Step by Step Solution

1. Step 1: Write the proportion equation
   116,776.69 : 156,917.25 = 156,917.25 : x
2. Step 2: Convert to fraction form
   116,776.69/156,917.25 = 156,917.25/x
3. Step 3: Cross multiply
   116,776.69x = 156,917.25 × 156,917.25
4. Step 4: Simplify right side
   116,776.69x = 24,623,023,347.56
5. Step 5: Solve for x
   x = 24,623,023,347.56/116,776.69
6. Step 6: Final answer
   x = 210,855.64