Finding the Third Proportional to 28,487.81 and 58,798.13

Step by Step Solution

1. Step 1: Write the proportion equation
   28,487.81 : 58,798.13 = 58,798.13 : x
2. Step 2: Convert to fraction form
   28,487.81/58,798.13 = 58,798.13/x
3. Step 3: Cross multiply
   28,487.81x = 58,798.13 × 58,798.13
4. Step 4: Simplify right side
   28,487.81x = 3,457,219,503.52
5. Step 5: Solve for x
   x = 3,457,219,503.52/28,487.81
6. Step 6: Final answer
   x = 121,357.84