Finding the Third Proportional to 45,090.63 and 70,091.94

Step by Step Solution

1. Step 1: Write the proportion equation
   45,090.63 : 70,091.94 = 70,091.94 : x
2. Step 2: Convert to fraction form
   45,090.63/70,091.94 = 70,091.94/x
3. Step 3: Cross multiply
   45,090.63x = 70,091.94 × 70,091.94
4. Step 4: Simplify right side
   45,090.63x = 4,912,879,702.50
5. Step 5: Solve for x
   x = 4,912,879,702.50/45,090.63
6. Step 6: Final answer
   x = 108,955.68