Finding the Third Proportional to 4,336,143 and 9,160,659

Step by Step Solution

1. Step 1: Write the proportion equation
   4,336,143 : 9,160,659 = 9,160,659 : x
2. Step 2: Convert to fraction form
   4,336,143/9,160,659 = 9,160,659/x
3. Step 3: Cross multiply
   4,336,143x = 9,160,659 × 9,160,659
4. Step 4: Simplify right side
   4,336,143x = 83,917,673,314,281
5. Step 5: Solve for x
   x = 83,917,673,314,281/4,336,143
6. Step 6: Final answer
   x = 19,353,068.69