Finding the Third Proportional to 31,988,048 and 69,073,180

Step by Step Solution

1. Step 1: Write the proportion equation
   31,988,048 : 69,073,180 = 69,073,180 : x
2. Step 2: Convert to fraction form
   31,988,048/69,073,180 = 69,073,180/x
3. Step 3: Cross multiply
   31,988,048x = 69,073,180 × 69,073,180
4. Step 4: Simplify right side
   31,988,048x = 4,771,104,195,312,400
5. Step 5: Solve for x
   x = 4,771,104,195,312,400/31,988,048
6. Step 6: Final answer
   x = 149,152,714.64