Finding the Third Proportional to 87,365,718 and 189,582,300

Step by Step Solution

1. Step 1: Write the proportion equation
   87,365,718 : 189,582,300 = 189,582,300 : x
2. Step 2: Convert to fraction form
   87,365,718/189,582,300 = 189,582,300/x
3. Step 3: Cross multiply
   87,365,718x = 189,582,300 × 189,582,300
4. Step 4: Simplify right side
   87,365,718x = 35,941,448,473,290,000
5. Step 5: Solve for x
   x = 35,941,448,473,290,000/87,365,718
6. Step 6: Final answer
   x = 411,390,752.53