Finding the Third Proportional to 17,873,199 and 38,186,320

Step by Step Solution

1. Step 1: Write the proportion equation
   17,873,199 : 38,186,320 = 38,186,320 : x
2. Step 2: Convert to fraction form
   17,873,199/38,186,320 = 38,186,320/x
3. Step 3: Cross multiply
   17,873,199x = 38,186,320 × 38,186,320
4. Step 4: Simplify right side
   17,873,199x = 1,458,195,035,142,400
5. Step 5: Solve for x
   x = 1,458,195,035,142,400/17,873,199
6. Step 6: Final answer
   x = 81,585,564.80