Finding the Third Proportional to 69,351 and 101,557.50

Step by Step Solution

1. Step 1: Write the proportion equation
   69,351 : 101,557.50 = 101,557.50 : x
2. Step 2: Convert to fraction form
   69,351/101,557.50 = 101,557.50/x
3. Step 3: Cross multiply
   69,351x = 101,557.50 × 101,557.50
4. Step 4: Simplify right side
   69,351x = 10,313,925,806.25
5. Step 5: Solve for x
   x = 10,313,925,806.25/69,351
6. Step 6: Final answer
   x = 148,720.65