Finding the Third Proportional to 4,570,261 and 9,300,134

Step by Step Solution

1. Step 1: Write the proportion equation
   4,570,261 : 9,300,134 = 9,300,134 : x
2. Step 2: Convert to fraction form
   4,570,261/9,300,134 = 9,300,134/x
3. Step 3: Cross multiply
   4,570,261x = 9,300,134 × 9,300,134
4. Step 4: Simplify right side
   4,570,261x = 86,492,492,417,956
5. Step 5: Solve for x
   x = 86,492,492,417,956/4,570,261
6. Step 6: Final answer
   x = 18,925,066.30