Finding the Third Proportional to 91,815.56 and 141,875.22

Step by Step Solution

1. Step 1: Write the proportion equation
   91,815.56 : 141,875.22 = 141,875.22 : x
2. Step 2: Convert to fraction form
   91,815.56/141,875.22 = 141,875.22/x
3. Step 3: Cross multiply
   91,815.56x = 141,875.22 × 141,875.22
4. Step 4: Simplify right side
   91,815.56x = 20,128,577,418.26
5. Step 5: Solve for x
   x = 20,128,577,418.26/91,815.56
6. Step 6: Final answer
   x = 219,228.40