Finding the Third Proportional to 157,925,400 and 215,146,404

Step by Step Solution

1. Step 1: Write the proportion equation
   157,925,400 : 215,146,404 = 215,146,404 : x
2. Step 2: Convert to fraction form
   157,925,400/215,146,404 = 215,146,404/x
3. Step 3: Cross multiply
   157,925,400x = 215,146,404 × 215,146,404
4. Step 4: Simplify right side
   157,925,400x = 46,287,975,154,131,216
5. Step 5: Solve for x
   x = 46,287,975,154,131,216/157,925,400
6. Step 6: Final answer
   x = 293,100,255.91