Finding the Third Proportional to 91,886 and 147,428

Step by Step Solution

1. Step 1: Write the proportion equation
   91,886 : 147,428 = 147,428 : x
2. Step 2: Convert to fraction form
   91,886/147,428 = 147,428/x
3. Step 3: Cross multiply
   91,886x = 147,428 × 147,428
4. Step 4: Simplify right side
   91,886x = 21,735,015,184
5. Step 5: Solve for x
   x = 21,735,015,184/91,886
6. Step 6: Final answer
   x = 236,543.27