Finding the Third Proportional to 84,942,527.50 and 186,091,812

Step by Step Solution

1. Step 1: Write the proportion equation
   84,942,527.50 : 186,091,812 = 186,091,812 : x
2. Step 2: Convert to fraction form
   84,942,527.50/186,091,812 = 186,091,812/x
3. Step 3: Cross multiply
   84,942,527.50x = 186,091,812 × 186,091,812
4. Step 4: Simplify right side
   84,942,527.50x = 34,630,162,493,443,344
5. Step 5: Solve for x
   x = 34,630,162,493,443,344/84,942,527.50
6. Step 6: Final answer
   x = 407,689,334.34