Finding the Third Proportional to 35,457 and 52,485.38

Step by Step Solution

1. Step 1: Write the proportion equation
   35,457 : 52,485.38 = 52,485.38 : x
2. Step 2: Convert to fraction form
   35,457/52,485.38 = 52,485.38/x
3. Step 3: Cross multiply
   35,457x = 52,485.38 × 52,485.38
4. Step 4: Simplify right side
   35,457x = 2,754,714,588.89
5. Step 5: Solve for x
   x = 2,754,714,588.89/35,457
6. Step 6: Final answer
   x = 77,691.70