Finding the Third Proportional to 69,030 and 80,683.50

Step by Step Solution

1. Step 1: Write the proportion equation
   69,030 : 80,683.50 = 80,683.50 : x
2. Step 2: Convert to fraction form
   69,030/80,683.50 = 80,683.50/x
3. Step 3: Cross multiply
   69,030x = 80,683.50 × 80,683.50
4. Step 4: Simplify right side
   69,030x = 6,509,827,172.25
5. Step 5: Solve for x
   x = 6,509,827,172.25/69,030
6. Step 6: Final answer
   x = 94,304.32