Finding the Third Proportional to 30,461.63 and 70,513.88

Step by Step Solution

1. Step 1: Write the proportion equation
   30,461.63 : 70,513.88 = 70,513.88 : x
2. Step 2: Convert to fraction form
   30,461.63/70,513.88 = 70,513.88/x
3. Step 3: Cross multiply
   30,461.63x = 70,513.88 × 70,513.88
4. Step 4: Simplify right side
   30,461.63x = 4,972,206,567.52
5. Step 5: Solve for x
   x = 4,972,206,567.52/30,461.63
6. Step 6: Final answer
   x = 163,228.54