Finding the Third Proportional to 58,899 and 91,300.50

Step by Step Solution

1. Step 1: Write the proportion equation
   58,899 : 91,300.50 = 91,300.50 : x
2. Step 2: Convert to fraction form
   58,899/91,300.50 = 91,300.50/x
3. Step 3: Cross multiply
   58,899x = 91,300.50 × 91,300.50
4. Step 4: Simplify right side
   58,899x = 8,335,781,300.25
5. Step 5: Solve for x
   x = 8,335,781,300.25/58,899
6. Step 6: Final answer
   x = 141,526.70