Finding the Third Proportional to 22,208,618 and 53,501,459

Step by Step Solution

1. Step 1: Write the proportion equation
   22,208,618 : 53,501,459 = 53,501,459 : x
2. Step 2: Convert to fraction form
   22,208,618/53,501,459 = 53,501,459/x
3. Step 3: Cross multiply
   22,208,618x = 53,501,459 × 53,501,459
4. Step 4: Simplify right side
   22,208,618x = 2,862,406,115,128,681
5. Step 5: Solve for x
   x = 2,862,406,115,128,681/22,208,618
6. Step 6: Final answer
   x = 128,887,178.62