Finding the Third Proportional to 4,261,358 and 9,155,164

Step by Step Solution

1. Step 1: Write the proportion equation
   4,261,358 : 9,155,164 = 9,155,164 : x
2. Step 2: Convert to fraction form
   4,261,358/9,155,164 = 9,155,164/x
3. Step 3: Cross multiply
   4,261,358x = 9,155,164 × 9,155,164
4. Step 4: Simplify right side
   4,261,358x = 83,817,027,866,896
5. Step 5: Solve for x
   x = 83,817,027,866,896/4,261,358
6. Step 6: Final answer
   x = 19,669,088.56