Finding the Third Proportional to 28,071.50 and 61,423

Step by Step Solution

1. Step 1: Write the proportion equation
   28,071.50 : 61,423 = 61,423 : x
2. Step 2: Convert to fraction form
   28,071.50/61,423 = 61,423/x
3. Step 3: Cross multiply
   28,071.50x = 61,423 × 61,423
4. Step 4: Simplify right side
   28,071.50x = 3,772,784,929
5. Step 5: Solve for x
   x = 3,772,784,929/28,071.50
6. Step 6: Final answer
   x = 134,399.12