Finding the Third Proportional to 69,088 and 103,631

Step by Step Solution

1. Step 1: Write the proportion equation
   69,088 : 103,631 = 103,631 : x
2. Step 2: Convert to fraction form
   69,088/103,631 = 103,631/x
3. Step 3: Cross multiply
   69,088x = 103,631 × 103,631
4. Step 4: Simplify right side
   69,088x = 10,739,384,161
5. Step 5: Solve for x
   x = 10,739,384,161/69,088
6. Step 6: Final answer
   x = 155,445.00