Finding the Third Proportional to 72,417,224 and 156,171,856

Step by Step Solution

1. Step 1: Write the proportion equation
   72,417,224 : 156,171,856 = 156,171,856 : x
2. Step 2: Convert to fraction form
   72,417,224/156,171,856 = 156,171,856/x
3. Step 3: Cross multiply
   72,417,224x = 156,171,856 × 156,171,856
4. Step 4: Simplify right side
   72,417,224x = 24,389,648,606,484,736
5. Step 5: Solve for x
   x = 24,389,648,606,484,736/72,417,224
6. Step 6: Final answer
   x = 336,793,476.18