Finding the Third Proportional to 31,516,752 and 69,012,216

Step by Step Solution

1. Step 1: Write the proportion equation
   31,516,752 : 69,012,216 = 69,012,216 : x
2. Step 2: Convert to fraction form
   31,516,752/69,012,216 = 69,012,216/x
3. Step 3: Cross multiply
   31,516,752x = 69,012,216 × 69,012,216
4. Step 4: Simplify right side
   31,516,752x = 4,762,685,957,230,656
5. Step 5: Solve for x
   x = 4,762,685,957,230,656/31,516,752
6. Step 6: Final answer
   x = 151,116,014.66