Finding the Third Proportional to 146,070 and 306,898.50

Step by Step Solution

1. Step 1: Write the proportion equation
   146,070 : 306,898.50 = 306,898.50 : x
2. Step 2: Convert to fraction form
   146,070/306,898.50 = 306,898.50/x
3. Step 3: Cross multiply
   146,070x = 306,898.50 × 306,898.50
4. Step 4: Simplify right side
   146,070x = 94,186,689,302.25
5. Step 5: Solve for x
   x = 94,186,689,302.25/146,070
6. Step 6: Final answer
   x = 644,805.16