Finding the Third Proportional to 28,070 and 61,422.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,070 : 61,422.50 = 61,422.50 : x
2. Step 2: Convert to fraction form
   28,070/61,422.50 = 61,422.50/x
3. Step 3: Cross multiply
   28,070x = 61,422.50 × 61,422.50
4. Step 4: Simplify right side
   28,070x = 3,772,723,506.25
5. Step 5: Solve for x
   x = 3,772,723,506.25/28,070
6. Step 6: Final answer
   x = 134,404.11