Finding the Third Proportional to 69,570 and 112,009.50

Step by Step Solution

1. Step 1: Write the proportion equation
   69,570 : 112,009.50 = 112,009.50 : x
2. Step 2: Convert to fraction form
   69,570/112,009.50 = 112,009.50/x
3. Step 3: Cross multiply
   69,570x = 112,009.50 × 112,009.50
4. Step 4: Simplify right side
   69,570x = 12,546,128,090.25
5. Step 5: Solve for x
   x = 12,546,128,090.25/69,570
6. Step 6: Final answer
   x = 180,338.19