Finding the Third Proportional to 4,224,854 and 9,123,160

Step by Step Solution

1. Step 1: Write the proportion equation
   4,224,854 : 9,123,160 = 9,123,160 : x
2. Step 2: Convert to fraction form
   4,224,854/9,123,160 = 9,123,160/x
3. Step 3: Cross multiply
   4,224,854x = 9,123,160 × 9,123,160
4. Step 4: Simplify right side
   4,224,854x = 83,232,048,385,600
5. Step 5: Solve for x
   x = 83,232,048,385,600/4,224,854
6. Step 6: Final answer
   x = 19,700,573.89