Finding the Third Proportional to 2,990,547 and 7,020,985.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,990,547 : 7,020,985.50 = 7,020,985.50 : x
2. Step 2: Convert to fraction form
   2,990,547/7,020,985.50 = 7,020,985.50/x
3. Step 3: Cross multiply
   2,990,547x = 7,020,985.50 × 7,020,985.50
4. Step 4: Simplify right side
   2,990,547x = 49,294,237,391,210.25
5. Step 5: Solve for x
   x = 49,294,237,391,210.25/2,990,547
6. Step 6: Final answer
   x = 16,483,351.50