Finding the Third Proportional to 14,228,784 and 31,155,840

Step by Step Solution

1. Step 1: Write the proportion equation
   14,228,784 : 31,155,840 = 31,155,840 : x
2. Step 2: Convert to fraction form
   14,228,784/31,155,840 = 31,155,840/x
3. Step 3: Cross multiply
   14,228,784x = 31,155,840 × 31,155,840
4. Step 4: Simplify right side
   14,228,784x = 970,686,366,105,600
5. Step 5: Solve for x
   x = 970,686,366,105,600/14,228,784
6. Step 6: Final answer
   x = 68,219,910.16