Finding the Third Proportional to 124,363,031.50 and 266,196,109

Step by Step Solution

1. Step 1: Write the proportion equation
   124,363,031.50 : 266,196,109 = 266,196,109 : x
2. Step 2: Convert to fraction form
   124,363,031.50/266,196,109 = 266,196,109/x
3. Step 3: Cross multiply
   124,363,031.50x = 266,196,109 × 266,196,109
4. Step 4: Simplify right side
   124,363,031.50x = 70,860,368,446,739,880
5. Step 5: Solve for x
   x = 70,860,368,446,739,880/124,363,031.50
6. Step 6: Final answer
   x = 569,786,435.66