Finding the Third Proportional to 72,474,288 and 109,766,385

Step by Step Solution

1. Step 1: Write the proportion equation
   72,474,288 : 109,766,385 = 109,766,385 : x
2. Step 2: Convert to fraction form
   72,474,288/109,766,385 = 109,766,385/x
3. Step 3: Cross multiply
   72,474,288x = 109,766,385 × 109,766,385
4. Step 4: Simplify right side
   72,474,288x = 12,048,659,275,968,224
5. Step 5: Solve for x
   x = 12,048,659,275,968,224/72,474,288
6. Step 6: Final answer
   x = 166,247,363.15