Finding the Third Proportional to 4,261,363 and 9,155,174

Step by Step Solution

1. Step 1: Write the proportion equation
   4,261,363 : 9,155,174 = 9,155,174 : x
2. Step 2: Convert to fraction form
   4,261,363/9,155,174 = 9,155,174/x
3. Step 3: Cross multiply
   4,261,363x = 9,155,174 × 9,155,174
4. Step 4: Simplify right side
   4,261,363x = 83,817,210,970,276
5. Step 5: Solve for x
   x = 83,817,210,970,276/4,261,363
6. Step 6: Final answer
   x = 19,669,108.44