Finding the Third Proportional to 37,172,372 and 80,521,641.50

Step by Step Solution

1. Step 1: Write the proportion equation
   37,172,372 : 80,521,641.50 = 80,521,641.50 : x
2. Step 2: Convert to fraction form
   37,172,372/80,521,641.50 = 80,521,641.50/x
3. Step 3: Cross multiply
   37,172,372x = 80,521,641.50 × 80,521,641.50
4. Step 4: Simplify right side
   37,172,372x = 6,483,734,749,854,522
5. Step 5: Solve for x
   x = 6,483,734,749,854,522/37,172,372
6. Step 6: Final answer
   x = 174,423,487.15