Finding the Third Proportional to 89,873,234 and 193,590,178

Step by Step Solution

1. Step 1: Write the proportion equation
   89,873,234 : 193,590,178 = 193,590,178 : x
2. Step 2: Convert to fraction form
   89,873,234/193,590,178 = 193,590,178/x
3. Step 3: Cross multiply
   89,873,234x = 193,590,178 × 193,590,178
4. Step 4: Simplify right side
   89,873,234x = 37,477,157,018,071,680
5. Step 5: Solve for x
   x = 37,477,157,018,071,680/89,873,234
6. Step 6: Final answer
   x = 417,000,205.18