Finding the Third Proportional to 42,037.31 and 61,439.34

Step by Step Solution

1. Step 1: Write the proportion equation
   42,037.31 : 61,439.34 = 61,439.34 : x
2. Step 2: Convert to fraction form
   42,037.31/61,439.34 = 61,439.34/x
3. Step 3: Cross multiply
   42,037.31x = 61,439.34 × 61,439.34
4. Step 4: Simplify right side
   42,037.31x = 3,774,792,960.43
5. Step 5: Solve for x
   x = 3,774,792,960.43/42,037.31
6. Step 6: Final answer
   x = 89,796.25