Finding the Third Proportional to 31,516,732 and 69,012,176

Step by Step Solution

1. Step 1: Write the proportion equation
   31,516,732 : 69,012,176 = 69,012,176 : x
2. Step 2: Convert to fraction form
   31,516,732/69,012,176 = 69,012,176/x
3. Step 3: Cross multiply
   31,516,732x = 69,012,176 × 69,012,176
4. Step 4: Simplify right side
   31,516,732x = 4,762,680,436,254,976
5. Step 5: Solve for x
   x = 4,762,680,436,254,976/31,516,732
6. Step 6: Final answer
   x = 151,115,935.38