Finding the Third Proportional to 61,123.50 and 92,090.25

Step by Step Solution

1. Step 1: Write the proportion equation
   61,123.50 : 92,090.25 = 92,090.25 : x
2. Step 2: Convert to fraction form
   61,123.50/92,090.25 = 92,090.25/x
3. Step 3: Cross multiply
   61,123.50x = 92,090.25 × 92,090.25
4. Step 4: Simplify right side
   61,123.50x = 8,480,614,145.06
5. Step 5: Solve for x
   x = 8,480,614,145.06/61,123.50
6. Step 6: Final answer
   x = 138,745.56