Finding the Third Proportional to 91,699.59 and 189,291.94

Step by Step Solution

1. Step 1: Write the proportion equation
   91,699.59 : 189,291.94 = 189,291.94 : x
2. Step 2: Convert to fraction form
   91,699.59/189,291.94 = 189,291.94/x
3. Step 3: Cross multiply
   91,699.59x = 189,291.94 × 189,291.94
4. Step 4: Simplify right side
   91,699.59x = 35,831,437,602.50
5. Step 5: Solve for x
   x = 35,831,437,602.50/91,699.59
6. Step 6: Final answer
   x = 390,748.05