Finding the Third Proportional to 140,829,224 and 215,426,155

Step by Step Solution

1. Step 1: Write the proportion equation
   140,829,224 : 215,426,155 = 215,426,155 : x
2. Step 2: Convert to fraction form
   140,829,224/215,426,155 = 215,426,155/x
3. Step 3: Cross multiply
   140,829,224x = 215,426,155 × 215,426,155
4. Step 4: Simplify right side
   140,829,224x = 46,408,428,258,084,024
5. Step 5: Solve for x
   x = 46,408,428,258,084,024/140,829,224
6. Step 6: Final answer
   x = 329,536,916.70