Finding the Third Proportional to 69,211.34 and 98,971.88

Step by Step Solution

1. Step 1: Write the proportion equation
   69,211.34 : 98,971.88 = 98,971.88 : x
2. Step 2: Convert to fraction form
   69,211.34/98,971.88 = 98,971.88/x
3. Step 3: Cross multiply
   69,211.34x = 98,971.88 × 98,971.88
4. Step 4: Simplify right side
   69,211.34x = 9,795,432,041.02
5. Step 5: Solve for x
   x = 9,795,432,041.02/69,211.34
6. Step 6: Final answer
   x = 141,529.30