Finding the Third Proportional to 30,090 and 46,798.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,090 : 46,798.50 = 46,798.50 : x
2. Step 2: Convert to fraction form
   30,090/46,798.50 = 46,798.50/x
3. Step 3: Cross multiply
   30,090x = 46,798.50 × 46,798.50
4. Step 4: Simplify right side
   30,090x = 2,190,099,602.25
5. Step 5: Solve for x
   x = 2,190,099,602.25/30,090
6. Step 6: Final answer
   x = 72,784.97