Finding the Third Proportional to 87,455,714 and 191,386,168

Step by Step Solution

1. Step 1: Write the proportion equation
   87,455,714 : 191,386,168 = 191,386,168 : x
2. Step 2: Convert to fraction form
   87,455,714/191,386,168 = 191,386,168/x
3. Step 3: Cross multiply
   87,455,714x = 191,386,168 × 191,386,168
4. Step 4: Simplify right side
   87,455,714x = 36,628,665,301,724,224
5. Step 5: Solve for x
   x = 36,628,665,301,724,224/87,455,714
6. Step 6: Final answer
   x = 418,825,295.99