Finding the Third Proportional to 115,191,400.50 and 253,862,477.50

Step by Step Solution

1. Step 1: Write the proportion equation
   115,191,400.50 : 253,862,477.50 = 253,862,477.50 : x
2. Step 2: Convert to fraction form
   115,191,400.50/253,862,477.50 = 253,862,477.50/x
3. Step 3: Cross multiply
   115,191,400.50x = 253,862,477.50 × 253,862,477.50
4. Step 4: Simplify right side
   115,191,400.50x = 64,446,157,482,438,008
5. Step 5: Solve for x
   x = 64,446,157,482,438,008/115,191,400.50
6. Step 6: Final answer
   x = 559,470,213.95