Finding the Third Proportional to 45,389 and 69,043.50

Step by Step Solution

1. Step 1: Write the proportion equation
   45,389 : 69,043.50 = 69,043.50 : x
2. Step 2: Convert to fraction form
   45,389/69,043.50 = 69,043.50/x
3. Step 3: Cross multiply
   45,389x = 69,043.50 × 69,043.50
4. Step 4: Simplify right side
   45,389x = 4,767,004,892.25
5. Step 5: Solve for x
   x = 4,767,004,892.25/45,389
6. Step 6: Final answer
   x = 105,025.55