Finding the Third Proportional to 74,429 and 101,069.50

Step by Step Solution

1. Step 1: Write the proportion equation
   74,429 : 101,069.50 = 101,069.50 : x
2. Step 2: Convert to fraction form
   74,429/101,069.50 = 101,069.50/x
3. Step 3: Cross multiply
   74,429x = 101,069.50 × 101,069.50
4. Step 4: Simplify right side
   74,429x = 10,215,043,830.25
5. Step 5: Solve for x
   x = 10,215,043,830.25/74,429
6. Step 6: Final answer
   x = 137,245.48