Finding the Third Proportional to 42,376 and 64,704

Step by Step Solution

1. Step 1: Write the proportion equation
   42,376 : 64,704 = 64,704 : x
2. Step 2: Convert to fraction form
   42,376/64,704 = 64,704/x
3. Step 3: Cross multiply
   42,376x = 64,704 × 64,704
4. Step 4: Simplify right side
   42,376x = 4,186,607,616
5. Step 5: Solve for x
   x = 4,186,607,616/42,376
6. Step 6: Final answer
   x = 98,796.67