Finding the Third Proportional to 42,894.25 and 64,656.75

Step by Step Solution

1. Step 1: Write the proportion equation
   42,894.25 : 64,656.75 = 64,656.75 : x
2. Step 2: Convert to fraction form
   42,894.25/64,656.75 = 64,656.75/x
3. Step 3: Cross multiply
   42,894.25x = 64,656.75 × 64,656.75
4. Step 4: Simplify right side
   42,894.25x = 4,180,495,320.56
5. Step 5: Solve for x
   x = 4,180,495,320.56/42,894.25
6. Step 6: Final answer
   x = 97,460.51