Finding the Third Proportional to 69,873 and 98,773.50

Step by Step Solution

1. Step 1: Write the proportion equation
   69,873 : 98,773.50 = 98,773.50 : x
2. Step 2: Convert to fraction form
   69,873/98,773.50 = 98,773.50/x
3. Step 3: Cross multiply
   69,873x = 98,773.50 × 98,773.50
4. Step 4: Simplify right side
   69,873x = 9,756,204,302.25
5. Step 5: Solve for x
   x = 9,756,204,302.25/69,873
6. Step 6: Final answer
   x = 139,627.67