Finding the Third Proportional to 42,052.50 and 64,392

Step by Step Solution

1. Step 1: Write the proportion equation
   42,052.50 : 64,392 = 64,392 : x
2. Step 2: Convert to fraction form
   42,052.50/64,392 = 64,392/x
3. Step 3: Cross multiply
   42,052.50x = 64,392 × 64,392
4. Step 4: Simplify right side
   42,052.50x = 4,146,329,664
5. Step 5: Solve for x
   x = 4,146,329,664/42,052.50
6. Step 6: Final answer
   x = 98,598.89