Finding the Third Proportional to 37,699.88 and 78,501.38

Step by Step Solution

1. Step 1: Write the proportion equation
   37,699.88 : 78,501.38 = 78,501.38 : x
2. Step 2: Convert to fraction form
   37,699.88/78,501.38 = 78,501.38/x
3. Step 3: Cross multiply
   37,699.88x = 78,501.38 × 78,501.38
4. Step 4: Simplify right side
   37,699.88x = 6,162,465,876.89
5. Step 5: Solve for x
   x = 6,162,465,876.89/37,699.88
6. Step 6: Final answer
   x = 163,461.18