Finding the Third Proportional to 89,873,172 and 193,590,054

Step by Step Solution

1. Step 1: Write the proportion equation
   89,873,172 : 193,590,054 = 193,590,054 : x
2. Step 2: Convert to fraction form
   89,873,172/193,590,054 = 193,590,054/x
3. Step 3: Cross multiply
   89,873,172x = 193,590,054 × 193,590,054
4. Step 4: Simplify right side
   89,873,172x = 37,477,109,007,722,912
5. Step 5: Solve for x
   x = 37,477,109,007,722,912/89,873,172
6. Step 6: Final answer
   x = 416,999,958.65