Finding the Third Proportional to 90,010 and 194,460.50

Step by Step Solution

1. Step 1: Write the proportion equation
   90,010 : 194,460.50 = 194,460.50 : x
2. Step 2: Convert to fraction form
   90,010/194,460.50 = 194,460.50/x
3. Step 3: Cross multiply
   90,010x = 194,460.50 × 194,460.50
4. Step 4: Simplify right side
   90,010x = 37,814,886,060.25
5. Step 5: Solve for x
   x = 37,814,886,060.25/90,010
6. Step 6: Final answer
   x = 420,118.72