Finding the Third Proportional to 134,898.50 and 291,410.50

Step by Step Solution

1. Step 1: Write the proportion equation
   134,898.50 : 291,410.50 = 291,410.50 : x
2. Step 2: Convert to fraction form
   134,898.50/291,410.50 = 291,410.50/x
3. Step 3: Cross multiply
   134,898.50x = 291,410.50 × 291,410.50
4. Step 4: Simplify right side
   134,898.50x = 84,920,079,510.25
5. Step 5: Solve for x
   x = 84,920,079,510.25/134,898.50
6. Step 6: Final answer
   x = 629,510.92