Finding the Third Proportional to 85,068,696 and 186,605,520

Step by Step Solution

1. Step 1: Write the proportion equation
   85,068,696 : 186,605,520 = 186,605,520 : x
2. Step 2: Convert to fraction form
   85,068,696/186,605,520 = 186,605,520/x
3. Step 3: Cross multiply
   85,068,696x = 186,605,520 × 186,605,520
4. Step 4: Simplify right side
   85,068,696x = 34,821,620,094,470,400
5. Step 5: Solve for x
   x = 34,821,620,094,470,400/85,068,696
6. Step 6: Final answer
   x = 409,335,298.79