Finding the Third Proportional to 31,946,452.50 and 69,971,329.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,946,452.50 : 69,971,329.50 = 69,971,329.50 : x
2. Step 2: Convert to fraction form
   31,946,452.50/69,971,329.50 = 69,971,329.50/x
3. Step 3: Cross multiply
   31,946,452.50x = 69,971,329.50 × 69,971,329.50
4. Step 4: Simplify right side
   31,946,452.50x = 4,895,986,951,997,570
5. Step 5: Solve for x
   x = 4,895,986,951,997,570/31,946,452.50
6. Step 6: Final answer
   x = 153,256,044.69