Finding the Third Proportional to 69,080.63 and 106,672.50

Step by Step Solution

1. Step 1: Write the proportion equation
   69,080.63 : 106,672.50 = 106,672.50 : x
2. Step 2: Convert to fraction form
   69,080.63/106,672.50 = 106,672.50/x
3. Step 3: Cross multiply
   69,080.63x = 106,672.50 × 106,672.50
4. Step 4: Simplify right side
   69,080.63x = 11,379,022,256.25
5. Step 5: Solve for x
   x = 11,379,022,256.25/69,080.63
6. Step 6: Final answer
   x = 164,720.89