Finding the Third Proportional to 4,102,946 and 8,928,312

Step by Step Solution

1. Step 1: Write the proportion equation
   4,102,946 : 8,928,312 = 8,928,312 : x
2. Step 2: Convert to fraction form
   4,102,946/8,928,312 = 8,928,312/x
3. Step 3: Cross multiply
   4,102,946x = 8,928,312 × 8,928,312
4. Step 4: Simplify right side
   4,102,946x = 79,714,755,169,344
5. Step 5: Solve for x
   x = 79,714,755,169,344/4,102,946
6. Step 6: Final answer
   x = 19,428,663.01