Finding the Third Proportional to 40,815 and 63,070

Step by Step Solution

1. Step 1: Write the proportion equation
   40,815 : 63,070 = 63,070 : x
2. Step 2: Convert to fraction form
   40,815/63,070 = 63,070/x
3. Step 3: Cross multiply
   40,815x = 63,070 × 63,070
4. Step 4: Simplify right side
   40,815x = 3,977,824,900
5. Step 5: Solve for x
   x = 3,977,824,900/40,815
6. Step 6: Final answer
   x = 97,459.88