Finding the Third Proportional to 36,620,090 and 55,401,449

Step by Step Solution

1. Step 1: Write the proportion equation
   36,620,090 : 55,401,449 = 55,401,449 : x
2. Step 2: Convert to fraction form
   36,620,090/55,401,449 = 55,401,449/x
3. Step 3: Cross multiply
   36,620,090x = 55,401,449 × 55,401,449
4. Step 4: Simplify right side
   36,620,090x = 3,069,320,551,299,601
5. Step 5: Solve for x
   x = 3,069,320,551,299,601/36,620,090
6. Step 6: Final answer
   x = 83,815,210.48