Finding the Third Proportional to 58,502.63 and 86,893.13

Step by Step Solution

1. Step 1: Write the proportion equation
   58,502.63 : 86,893.13 = 86,893.13 : x
2. Step 2: Convert to fraction form
   58,502.63/86,893.13 = 86,893.13/x
3. Step 3: Cross multiply
   58,502.63x = 86,893.13 × 86,893.13
4. Step 4: Simplify right side
   58,502.63x = 7,550,415,172.27
5. Step 5: Solve for x
   x = 7,550,415,172.27/58,502.63
6. Step 6: Final answer
   x = 129,061.13