Finding the Third Proportional to 115,438,700.50 and 178,898,200.50

Step by Step Solution

1. Step 1: Write the proportion equation
   115,438,700.50 : 178,898,200.50 = 178,898,200.50 : x
2. Step 2: Convert to fraction form
   115,438,700.50/178,898,200.50 = 178,898,200.50/x
3. Step 3: Cross multiply
   115,438,700.50x = 178,898,200.50 × 178,898,200.50
4. Step 4: Simplify right side
   115,438,700.50x = 32,004,566,142,138,200
5. Step 5: Solve for x
   x = 32,004,566,142,138,200/115,438,700.50
6. Step 6: Final answer
   x = 277,242,952.35