Finding the Third Proportional to 31,876.03 and 66,055.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,876.03 : 66,055.50 = 66,055.50 : x
2. Step 2: Convert to fraction form
   31,876.03/66,055.50 = 66,055.50/x
3. Step 3: Cross multiply
   31,876.03x = 66,055.50 × 66,055.50
4. Step 4: Simplify right side
   31,876.03x = 4,363,329,080.25
5. Step 5: Solve for x
   x = 4,363,329,080.25/31,876.03
6. Step 6: Final answer
   x = 136,884.33