Finding the Third Proportional to 58,390.88 and 83,210.63

Step by Step Solution

1. Step 1: Write the proportion equation
   58,390.88 : 83,210.63 = 83,210.63 : x
2. Step 2: Convert to fraction form
   58,390.88/83,210.63 = 83,210.63/x
3. Step 3: Cross multiply
   58,390.88x = 83,210.63 × 83,210.63
4. Step 4: Simplify right side
   58,390.88x = 6,924,008,112.89
5. Step 5: Solve for x
   x = 6,924,008,112.89/58,390.88
6. Step 6: Final answer
   x = 118,580.31