Finding the Third Proportional to 58,405.88 and 88,763.06

Step by Step Solution

1. Step 1: Write the proportion equation
   58,405.88 : 88,763.06 = 88,763.06 : x
2. Step 2: Convert to fraction form
   58,405.88/88,763.06 = 88,763.06/x
3. Step 3: Cross multiply
   58,405.88x = 88,763.06 × 88,763.06
4. Step 4: Simplify right side
   58,405.88x = 7,878,881,264.38
5. Step 5: Solve for x
   x = 7,878,881,264.38/58,405.88
6. Step 6: Final answer
   x = 134,898.78