Finding the Third Proportional to 86,343,345 and 176,155,096.50

Step by Step Solution

1. Step 1: Write the proportion equation
   86,343,345 : 176,155,096.50 = 176,155,096.50 : x
2. Step 2: Convert to fraction form
   86,343,345/176,155,096.50 = 176,155,096.50/x
3. Step 3: Cross multiply
   86,343,345x = 176,155,096.50 × 176,155,096.50
4. Step 4: Simplify right side
   86,343,345x = 31,030,618,022,924,312
5. Step 5: Solve for x
   x = 31,030,618,022,924,312/86,343,345
6. Step 6: Final answer
   x = 359,386,331.66