Finding the Third Proportional to 243,090 and 530,041.50

Step by Step Solution

1. Step 1: Write the proportion equation
   243,090 : 530,041.50 = 530,041.50 : x
2. Step 2: Convert to fraction form
   243,090/530,041.50 = 530,041.50/x
3. Step 3: Cross multiply
   243,090x = 530,041.50 × 530,041.50
4. Step 4: Simplify right side
   243,090x = 280,943,991,722.25
5. Step 5: Solve for x
   x = 280,943,991,722.25/243,090
6. Step 6: Final answer
   x = 1,155,720.07