Finding the Third Proportional to 35,185.31 and 71,803.13

Step by Step Solution

1. Step 1: Write the proportion equation
   35,185.31 : 71,803.13 = 71,803.13 : x
2. Step 2: Convert to fraction form
   35,185.31/71,803.13 = 71,803.13/x
3. Step 3: Cross multiply
   35,185.31x = 71,803.13 × 71,803.13
4. Step 4: Simplify right side
   35,185.31x = 5,155,688,759.77
5. Step 5: Solve for x
   x = 5,155,688,759.77/35,185.31
6. Step 6: Final answer
   x = 146,529.57