Finding the Third Proportional to 89,017,850 and 189,793,736

Step by Step Solution

1. Step 1: Write the proportion equation
   89,017,850 : 189,793,736 = 189,793,736 : x
2. Step 2: Convert to fraction form
   89,017,850/189,793,736 = 189,793,736/x
3. Step 3: Cross multiply
   89,017,850x = 189,793,736 × 189,793,736
4. Step 4: Simplify right side
   89,017,850x = 36,021,662,224,837,696
5. Step 5: Solve for x
   x = 36,021,662,224,837,696/89,017,850
6. Step 6: Final answer
   x = 404,656,619.15