Finding the Third Proportional to 90,140 and 130,562

Step by Step Solution

1. Step 1: Write the proportion equation
   90,140 : 130,562 = 130,562 : x
2. Step 2: Convert to fraction form
   90,140/130,562 = 130,562/x
3. Step 3: Cross multiply
   90,140x = 130,562 × 130,562
4. Step 4: Simplify right side
   90,140x = 17,046,435,844
5. Step 5: Solve for x
   x = 17,046,435,844/90,140
6. Step 6: Final answer
   x = 189,110.67