Finding the Third Proportional to 58,012 and 77,136

Step by Step Solution

1. Step 1: Write the proportion equation
   58,012 : 77,136 = 77,136 : x
2. Step 2: Convert to fraction form
   58,012/77,136 = 77,136/x
3. Step 3: Cross multiply
   58,012x = 77,136 × 77,136
4. Step 4: Simplify right side
   58,012x = 5,949,962,496
5. Step 5: Solve for x
   x = 5,949,962,496/58,012
6. Step 6: Final answer
   x = 102,564.34