Finding the Third Proportional to 812,607,658.50 and 1,237,923,810

Step by Step Solution

1. Step 1: Write the proportion equation
   812,607,658.50 : 1,237,923,810 = 1,237,923,810 : x
2. Step 2: Convert to fraction form
   812,607,658.50/1,237,923,810 = 1,237,923,810/x
3. Step 3: Cross multiply
   812,607,658.50x = 1,237,923,810 × 1,237,923,810
4. Step 4: Simplify right side
   812,607,658.50x = 1,532,455,359,364,916,224
5. Step 5: Solve for x
   x = 1,532,455,359,364,916,224/812,607,658.50
6. Step 6: Final answer
   x = 1,885,849,023.62