Finding the Third Proportional to 17,631,990.75 and 37,397,406

Step by Step Solution

1. Step 1: Write the proportion equation
   17,631,990.75 : 37,397,406 = 37,397,406 : x
2. Step 2: Convert to fraction form
   17,631,990.75/37,397,406 = 37,397,406/x
3. Step 3: Cross multiply
   17,631,990.75x = 37,397,406 × 37,397,406
4. Step 4: Simplify right side
   17,631,990.75x = 1,398,565,975,528,836
5. Step 5: Solve for x
   x = 1,398,565,975,528,836/17,631,990.75
6. Step 6: Final answer
   x = 79,319,799.75