Finding the Third Proportional to 61,287 and 83,173.50

Step by Step Solution

1. Step 1: Write the proportion equation
   61,287 : 83,173.50 = 83,173.50 : x
2. Step 2: Convert to fraction form
   61,287/83,173.50 = 83,173.50/x
3. Step 3: Cross multiply
   61,287x = 83,173.50 × 83,173.50
4. Step 4: Simplify right side
   61,287x = 6,917,831,102.25
5. Step 5: Solve for x
   x = 6,917,831,102.25/61,287
6. Step 6: Final answer
   x = 112,875.99