Finding the Third Proportional to 70,477.50 and 103,069.50

Step by Step Solution

1. Step 1: Write the proportion equation
   70,477.50 : 103,069.50 = 103,069.50 : x
2. Step 2: Convert to fraction form
   70,477.50/103,069.50 = 103,069.50/x
3. Step 3: Cross multiply
   70,477.50x = 103,069.50 × 103,069.50
4. Step 4: Simplify right side
   70,477.50x = 10,623,321,830.25
5. Step 5: Solve for x
   x = 10,623,321,830.25/70,477.50
6. Step 6: Final answer
   x = 150,733.52