Finding the Third Proportional to 345,055.50 and 750,861

Step by Step Solution

1. Step 1: Write the proportion equation
   345,055.50 : 750,861 = 750,861 : x
2. Step 2: Convert to fraction form
   345,055.50/750,861 = 750,861/x
3. Step 3: Cross multiply
   345,055.50x = 750,861 × 750,861
4. Step 4: Simplify right side
   345,055.50x = 563,792,241,321
5. Step 5: Solve for x
   x = 563,792,241,321/345,055.50
6. Step 6: Final answer
   x = 1,633,917.56