Finding the Third Proportional to 147,552 and 316,609.50

Step by Step Solution

1. Step 1: Write the proportion equation
   147,552 : 316,609.50 = 316,609.50 : x
2. Step 2: Convert to fraction form
   147,552/316,609.50 = 316,609.50/x
3. Step 3: Cross multiply
   147,552x = 316,609.50 × 316,609.50
4. Step 4: Simplify right side
   147,552x = 100,241,575,490.25
5. Step 5: Solve for x
   x = 100,241,575,490.25/147,552
6. Step 6: Final answer
   x = 679,364.40