Finding the Third Proportional to 99,422,026 and 216,053,606

Step by Step Solution

1. Step 1: Write the proportion equation
   99,422,026 : 216,053,606 = 216,053,606 : x
2. Step 2: Convert to fraction form
   99,422,026/216,053,606 = 216,053,606/x
3. Step 3: Cross multiply
   99,422,026x = 216,053,606 × 216,053,606
4. Step 4: Simplify right side
   99,422,026x = 46,679,160,665,603,232
5. Step 5: Solve for x
   x = 46,679,160,665,603,232/99,422,026
6. Step 6: Final answer
   x = 469,505,224.78