Finding the Third Proportional to 3,931,272 and 6,168,132

Step by Step Solution

1. Step 1: Write the proportion equation
   3,931,272 : 6,168,132 = 6,168,132 : x
2. Step 2: Convert to fraction form
   3,931,272/6,168,132 = 6,168,132/x
3. Step 3: Cross multiply
   3,931,272x = 6,168,132 × 6,168,132
4. Step 4: Simplify right side
   3,931,272x = 38,045,852,369,424
5. Step 5: Solve for x
   x = 38,045,852,369,424/3,931,272
6. Step 6: Final answer
   x = 9,677,746.13