Finding the Third Proportional to 61,111.76 and 132,398.51

Step by Step Solution

1. Step 1: Write the proportion equation
   61,111.76 : 132,398.51 = 132,398.51 : x
2. Step 2: Convert to fraction form
   61,111.76/132,398.51 = 132,398.51/x
3. Step 3: Cross multiply
   61,111.76x = 132,398.51 × 132,398.51
4. Step 4: Simplify right side
   61,111.76x = 17,529,364,870.98
5. Step 5: Solve for x
   x = 17,529,364,870.98/61,111.76
6. Step 6: Final answer
   x = 286,841.12