Finding the Third Proportional to 78,564,958 and 185,199,450

Step by Step Solution

1. Step 1: Write the proportion equation
   78,564,958 : 185,199,450 = 185,199,450 : x
2. Step 2: Convert to fraction form
   78,564,958/185,199,450 = 185,199,450/x
3. Step 3: Cross multiply
   78,564,958x = 185,199,450 × 185,199,450
4. Step 4: Simplify right side
   78,564,958x = 34,298,836,280,302,500
5. Step 5: Solve for x
   x = 34,298,836,280,302,500/78,564,958
6. Step 6: Final answer
   x = 436,566,596.02