Finding the Third Proportional to 37,172,361 and 80,521,620

Step by Step Solution

1. Step 1: Write the proportion equation
   37,172,361 : 80,521,620 = 80,521,620 : x
2. Step 2: Convert to fraction form
   37,172,361/80,521,620 = 80,521,620/x
3. Step 3: Cross multiply
   37,172,361x = 80,521,620 × 80,521,620
4. Step 4: Simplify right side
   37,172,361x = 6,483,731,287,424,400
5. Step 5: Solve for x
   x = 6,483,731,287,424,400/37,172,361
6. Step 6: Final answer
   x = 174,423,445.62