Finding the Third Proportional to 113,910,567.50 and 248,520,587.50

Step by Step Solution

1. Step 1: Write the proportion equation
   113,910,567.50 : 248,520,587.50 = 248,520,587.50 : x
2. Step 2: Convert to fraction form
   113,910,567.50/248,520,587.50 = 248,520,587.50/x
3. Step 3: Cross multiply
   113,910,567.50x = 248,520,587.50 × 248,520,587.50
4. Step 4: Simplify right side
   113,910,567.50x = 61,762,482,411,345,160
5. Step 5: Solve for x
   x = 61,762,482,411,345,160/113,910,567.50
6. Step 6: Final answer
   x = 542,201,516.21