Finding the Third Proportional to 42,053 and 64,310

Step by Step Solution

1. Step 1: Write the proportion equation
   42,053 : 64,310 = 64,310 : x
2. Step 2: Convert to fraction form
   42,053/64,310 = 64,310/x
3. Step 3: Cross multiply
   42,053x = 64,310 × 64,310
4. Step 4: Simplify right side
   42,053x = 4,135,776,100
5. Step 5: Solve for x
   x = 4,135,776,100/42,053
6. Step 6: Final answer
   x = 98,346.76