Finding the Third Proportional to 69,322.50 and 99,059.63

Step by Step Solution

1. Step 1: Write the proportion equation
   69,322.50 : 99,059.63 = 99,059.63 : x
2. Step 2: Convert to fraction form
   69,322.50/99,059.63 = 99,059.63/x
3. Step 3: Cross multiply
   69,322.50x = 99,059.63 × 99,059.63
4. Step 4: Simplify right side
   69,322.50x = 9,812,809,305.14
5. Step 5: Solve for x
   x = 9,812,809,305.14/69,322.50
6. Step 6: Final answer
   x = 141,553.02