Finding the Third Proportional to 147,662.63 and 316,300.88

Step by Step Solution

1. Step 1: Write the proportion equation
   147,662.63 : 316,300.88 = 316,300.88 : x
2. Step 2: Convert to fraction form
   147,662.63/316,300.88 = 316,300.88/x
3. Step 3: Cross multiply
   147,662.63x = 316,300.88 × 316,300.88
4. Step 4: Simplify right side
   147,662.63x = 100,046,243,525.77
5. Step 5: Solve for x
   x = 100,046,243,525.77/147,662.63
6. Step 6: Final answer
   x = 677,532.61