Finding the Third Proportional to 72,474,270 and 109,766,359.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,474,270 : 109,766,359.50 = 109,766,359.50 : x
2. Step 2: Convert to fraction form
   72,474,270/109,766,359.50 = 109,766,359.50/x
3. Step 3: Cross multiply
   72,474,270x = 109,766,359.50 × 109,766,359.50
4. Step 4: Simplify right side
   72,474,270x = 12,048,653,677,883,240
5. Step 5: Solve for x
   x = 12,048,653,677,883,240/72,474,270
6. Step 6: Final answer
   x = 166,247,327.19