Finding the Third Proportional to 31,884.89 and 69,510.02

Step by Step Solution

1. Step 1: Write the proportion equation
   31,884.89 : 69,510.02 = 69,510.02 : x
2. Step 2: Convert to fraction form
   31,884.89/69,510.02 = 69,510.02/x
3. Step 3: Cross multiply
   31,884.89x = 69,510.02 × 69,510.02
4. Step 4: Simplify right side
   31,884.89x = 4,831,643,358.28
5. Step 5: Solve for x
   x = 4,831,643,358.28/31,884.89
6. Step 6: Final answer
   x = 151,533.95