Finding the Third Proportional to 245,470,573.50 and 381,114,451.50

Step by Step Solution

1. Step 1: Write the proportion equation
   245,470,573.50 : 381,114,451.50 = 381,114,451.50 : x
2. Step 2: Convert to fraction form
   245,470,573.50/381,114,451.50 = 381,114,451.50/x
3. Step 3: Cross multiply
   245,470,573.50x = 381,114,451.50 × 381,114,451.50
4. Step 4: Simplify right side
   245,470,573.50x = 145,248,225,142,145,856
5. Step 5: Solve for x
   x = 145,248,225,142,145,856/245,470,573.50
6. Step 6: Final answer
   x = 591,713,389.80