Finding the Third Proportional to 67,428 and 95,899.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,428 : 95,899.50 = 95,899.50 : x
2. Step 2: Convert to fraction form
   67,428/95,899.50 = 95,899.50/x
3. Step 3: Cross multiply
   67,428x = 95,899.50 × 95,899.50
4. Step 4: Simplify right side
   67,428x = 9,196,714,100.25
5. Step 5: Solve for x
   x = 9,196,714,100.25/67,428
6. Step 6: Final answer
   x = 136,393.10