Finding the Third Proportional to 58,507.31 and 83,666.25

Step by Step Solution

1. Step 1: Write the proportion equation
   58,507.31 : 83,666.25 = 83,666.25 : x
2. Step 2: Convert to fraction form
   58,507.31/83,666.25 = 83,666.25/x
3. Step 3: Cross multiply
   58,507.31x = 83,666.25 × 83,666.25
4. Step 4: Simplify right side
   58,507.31x = 7,000,041,389.06
5. Step 5: Solve for x
   x = 7,000,041,389.06/58,507.31
6. Step 6: Final answer
   x = 119,643.87