Finding the Third Proportional to 31,953,421.69 and 69,885,559.69

Step by Step Solution

1. Step 1: Write the proportion equation
   31,953,421.69 : 69,885,559.69 = 69,885,559.69 : x
2. Step 2: Convert to fraction form
   31,953,421.69/69,885,559.69 = 69,885,559.69/x
3. Step 3: Cross multiply
   31,953,421.69x = 69,885,559.69 × 69,885,559.69
4. Step 4: Simplify right side
   31,953,421.69x = 4,883,991,452,835,125
5. Step 5: Solve for x
   x = 4,883,991,452,835,125/31,953,421.69
6. Step 6: Final answer
   x = 152,847,213.07