Finding the Third Proportional to 20,902.50 and 45,070.31

Step by Step Solution

1. Step 1: Write the proportion equation
   20,902.50 : 45,070.31 = 45,070.31 : x
2. Step 2: Convert to fraction form
   20,902.50/45,070.31 = 45,070.31/x
3. Step 3: Cross multiply
   20,902.50x = 45,070.31 × 45,070.31
4. Step 4: Simplify right side
   20,902.50x = 2,031,333,068.85
5. Step 5: Solve for x
   x = 2,031,333,068.85/20,902.50
6. Step 6: Final answer
   x = 97,181.35