Finding the Third Proportional to 29,786.48 and 64,998.70

Step by Step Solution

1. Step 1: Write the proportion equation
   29,786.48 : 64,998.70 = 64,998.70 : x
2. Step 2: Convert to fraction form
   29,786.48/64,998.70 = 64,998.70/x
3. Step 3: Cross multiply
   29,786.48x = 64,998.70 × 64,998.70
4. Step 4: Simplify right side
   29,786.48x = 4,224,831,407.93
5. Step 5: Solve for x
   x = 4,224,831,407.93/29,786.48
6. Step 6: Final answer
   x = 141,837.20