Finding the Third Proportional to 56,970 and 85,448.25

Step by Step Solution

1. Step 1: Write the proportion equation
   56,970 : 85,448.25 = 85,448.25 : x
2. Step 2: Convert to fraction form
   56,970/85,448.25 = 85,448.25/x
3. Step 3: Cross multiply
   56,970x = 85,448.25 × 85,448.25
4. Step 4: Simplify right side
   56,970x = 7,301,403,428.06
5. Step 5: Solve for x
   x = 7,301,403,428.06/56,970
6. Step 6: Final answer
   x = 128,162.25