Finding the Third Proportional to 9,812,318,376 and 21,400,563,112

Step by Step Solution

1. Step 1: Write the proportion equation
   9,812,318,376 : 21,400,563,112 = 21,400,563,112 : x
2. Step 2: Convert to fraction form
   9,812,318,376/21,400,563,112 = 21,400,563,112/x
3. Step 3: Cross multiply
   9,812,318,376x = 21,400,563,112 × 21,400,563,112
4. Step 4: Simplify right side
   9,812,318,376x = 457,984,101,510,695,092,224
5. Step 5: Solve for x
   x = 457,984,101,510,695,092,224/9,812,318,376
6. Step 6: Final answer
   x = 46,674,402,925.09