Finding the Third Proportional to 45,563,291 and 99,781,270

Step by Step Solution

1. Step 1: Write the proportion equation
   45,563,291 : 99,781,270 = 99,781,270 : x
2. Step 2: Convert to fraction form
   45,563,291/99,781,270 = 99,781,270/x
3. Step 3: Cross multiply
   45,563,291x = 99,781,270 × 99,781,270
4. Step 4: Simplify right side
   45,563,291x = 9,956,301,842,812,900
5. Step 5: Solve for x
   x = 9,956,301,842,812,900/45,563,291
6. Step 6: Final answer
   x = 218,515,862.75