Finding the Third Proportional to 90,060 and 208,474.50

Step by Step Solution

1. Step 1: Write the proportion equation
   90,060 : 208,474.50 = 208,474.50 : x
2. Step 2: Convert to fraction form
   90,060/208,474.50 = 208,474.50/x
3. Step 3: Cross multiply
   90,060x = 208,474.50 × 208,474.50
4. Step 4: Simplify right side
   90,060x = 43,461,617,150.25
5. Step 5: Solve for x
   x = 43,461,617,150.25/90,060
6. Step 6: Final answer
   x = 482,585.13