Finding the Third Proportional to 42,699.56 and 63,813.75

Step by Step Solution

1. Step 1: Write the proportion equation
   42,699.56 : 63,813.75 = 63,813.75 : x
2. Step 2: Convert to fraction form
   42,699.56/63,813.75 = 63,813.75/x
3. Step 3: Cross multiply
   42,699.56x = 63,813.75 × 63,813.75
4. Step 4: Simplify right side
   42,699.56x = 4,072,194,689.06
5. Step 5: Solve for x
   x = 4,072,194,689.06/42,699.56
6. Step 6: Final answer
   x = 95,368.53